66389895

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 146764800

約数和(自身を除く): 80374905

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 27, 33, 39, 45, 55, 57, 65, 95, 99, 117, 135, 143, 165, 171, 181, 195, 209, 247, 285, 297, 351, 429, 495, 513, 543, 585, 627, 715, 741, 855, 905, 1045, 1235, 1287, 1485, 1629, 1755, 1881, 1991, 2145, 2223, 2353, 2565, 2715, 2717, 3135, 3439, 3705, 3861, 4887, 5643, 5973, 6435, 6669, 7059, 8145, 8151, 9405, 9955, 10317, 11115, 11765, 13585, 17195, 17919, 19305, 21177, 24435, 24453, 25883, 28215, 29865, 30951, 33345, 35295, 37829, 40755, 44707, 51585, 53757, 63531, 73359, 77649, 89595, 92853, 105885, 113487, 122265, 129415, 134121, 154755, 189145, 223535, 232947, 268785, 317655, 340461, 366795, 388245, 402363, 464265, 491777, 567435, 670605, 698841, 1021383, 1164735, 1207089, 1475331, 1702305, 2011815, 2458885, 3494205, 4425993, 5106915, 6035445, 7376655, 13277979, 22129965, 66389895]

約数ペア:

[(1, 66389895), (3, 22129965), (5, 13277979), (9, 7376655), (11, 6035445), (13, 5106915), (15, 4425993), (19, 3494205), (27, 2458885), (33, 2011815), (39, 1702305), (45, 1475331), (55, 1207089), (57, 1164735), (65, 1021383), (95, 698841), (99, 670605), (117, 567435), (135, 491777), (143, 464265), (165, 402363), (171, 388245), (181, 366795), (195, 340461), (209, 317655), (247, 268785), (285, 232947), (297, 223535), (351, 189145), (429, 154755), (495, 134121), (513, 129415), (543, 122265), (585, 113487), (627, 105885), (715, 92853), (741, 89595), (855, 77649), (905, 73359), (1045, 63531), (1235, 53757), (1287, 51585), (1485, 44707), (1629, 40755), (1755, 37829), (1881, 35295), (1991, 33345), (2145, 30951), (2223, 29865), (2353, 28215), (2565, 25883), (2715, 24453), (2717, 24435), (3135, 21177), (3439, 19305), (3705, 17919), (3861, 17195), (4887, 13585), (5643, 11765), (5973, 11115), (6435, 10317), (6669, 9955), (7059, 9405), (8145, 8151)]