2011815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 3974880

約数和(自身を除く): 1963065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 181, 195, 247, 285, 543, 585, 741, 855, 905, 1235, 1629, 2223, 2353, 2715, 3439, 3705, 7059, 8145, 10317, 11115, 11765, 17195, 21177, 30951, 35295, 44707, 51585, 105885, 134121, 154755, 223535, 402363, 670605, 2011815]

約数ペア:

[(1, 2011815), (3, 670605), (5, 402363), (9, 223535), (13, 154755), (15, 134121), (19, 105885), (39, 51585), (45, 44707), (57, 35295), (65, 30951), (95, 21177), (117, 17195), (171, 11765), (181, 11115), (195, 10317), (247, 8145), (285, 7059), (543, 3705), (585, 3439), (741, 2715), (855, 2353), (905, 2223), (1235, 1629)]