28311465

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 56766528

約数和(自身を除く): 28455063

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2963, 3185, 8889, 9555, 14815, 20741, 38519, 44445, 62223, 103705, 115557, 145187, 192595, 269633, 311115, 435561, 577785, 725935, 808899, 1348165, 1887431, 2177805, 4044495, 5662293, 9437155, 28311465]

約数ペア:

[(1, 28311465), (3, 9437155), (5, 5662293), (7, 4044495), (13, 2177805), (15, 1887431), (21, 1348165), (35, 808899), (39, 725935), (49, 577785), (65, 435561), (91, 311115), (105, 269633), (147, 192595), (195, 145187), (245, 115557), (273, 103705), (455, 62223), (637, 44445), (735, 38519), (1365, 20741), (1911, 14815), (2963, 9555), (3185, 8889)]