81355950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13907}}^1$

素因数の和:13938

約数の個数: 72

約数和(自身を含む): 235406808

約数和(自身を除く): 154050858

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 13907, 27814, 41721, 69535, 83442, 125163, 139070, 180791, 208605, 250326, 347675, 361582, 417210, 542373, 625815, 695350, 903955, 1043025, 1084746, 1251630, 1627119, 1807910, 2086050, 2711865, 3129075, 3254238, 4519775, 5423730, 6258150, 8135595, 9039550, 13559325, 16271190, 27118650, 40677975, 81355950]

約数ペア:

[(1, 81355950), (2, 40677975), (3, 27118650), (5, 16271190), (6, 13559325), (9, 9039550), (10, 8135595), (13, 6258150), (15, 5423730), (18, 4519775), (25, 3254238), (26, 3129075), (30, 2711865), (39, 2086050), (45, 1807910), (50, 1627119), (65, 1251630), (75, 1084746), (78, 1043025), (90, 903955), (117, 695350), (130, 625815), (150, 542373), (195, 417210), (225, 361582), (234, 347675), (325, 250326), (390, 208605), (450, 180791), (585, 139070), (650, 125163), (975, 83442), (1170, 69535), (1950, 41721), (2925, 27814), (5850, 13907)]