28532205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 31222035

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 39, 45, 51, 57, 65, 85, 95, 117, 151, 153, 171, 195, 221, 247, 255, 285, 323, 453, 585, 663, 741, 755, 765, 855, 969, 1105, 1235, 1359, 1615, 1963, 1989, 2223, 2265, 2567, 2869, 2907, 3315, 3705, 4199, 4845, 5889, 6795, 7701, 8607, 9815, 9945, 11115, 12597, 12835, 14345, 14535, 17667, 20995, 23103, 25821, 29445, 33371, 37297, 37791, 38505, 43035, 48773, 62985, 88335, 100113, 111891, 115515, 129105, 146319, 166855, 186485, 188955, 243865, 300339, 335673, 438957, 500565, 559455, 634049, 731595, 1501695, 1678365, 1902147, 2194785, 3170245, 5706441, 9510735, 28532205]

約数ペア:

[(1, 28532205), (3, 9510735), (5, 5706441), (9, 3170245), (13, 2194785), (15, 1902147), (17, 1678365), (19, 1501695), (39, 731595), (45, 634049), (51, 559455), (57, 500565), (65, 438957), (85, 335673), (95, 300339), (117, 243865), (151, 188955), (153, 186485), (171, 166855), (195, 146319), (221, 129105), (247, 115515), (255, 111891), (285, 100113), (323, 88335), (453, 62985), (585, 48773), (663, 43035), (741, 38505), (755, 37791), (765, 37297), (855, 33371), (969, 29445), (1105, 25821), (1235, 23103), (1359, 20995), (1615, 17667), (1963, 14535), (1989, 14345), (2223, 12835), (2265, 12597), (2567, 11115), (2869, 9945), (2907, 9815), (3315, 8607), (3705, 7701), (4199, 6795), (4845, 5889)]