81340545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2917}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 153790272

約数和(自身を除く): 72449727

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 715, 845, 1859, 2145, 2535, 2917, 5577, 8751, 9295, 14585, 27885, 32087, 37921, 43755, 96261, 113763, 160435, 189605, 417131, 481305, 492973, 568815, 1251393, 1478919, 2085655, 2464865, 5422703, 6256965, 7394595, 16268109, 27113515, 81340545]

約数ペア:

[(1, 81340545), (3, 27113515), (5, 16268109), (11, 7394595), (13, 6256965), (15, 5422703), (33, 2464865), (39, 2085655), (55, 1478919), (65, 1251393), (143, 568815), (165, 492973), (169, 481305), (195, 417131), (429, 189605), (507, 160435), (715, 113763), (845, 96261), (1859, 43755), (2145, 37921), (2535, 32087), (2917, 27885), (5577, 14585), (8751, 9295)]