28677375

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 26359425

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 225, 261, 293, 375, 435, 675, 725, 783, 879, 1125, 1305, 1465, 2175, 2637, 3375, 3625, 3915, 4395, 6525, 7325, 7911, 8497, 10875, 13185, 19575, 21975, 25491, 32625, 36625, 39555, 42485, 65925, 76473, 97875, 109875, 127455, 197775, 212425, 229419, 329625, 382365, 637275, 988875, 1062125, 1147095, 1911825, 3186375, 5735475, 9559125, 28677375]

約数ペア:

[(1, 28677375), (3, 9559125), (5, 5735475), (9, 3186375), (15, 1911825), (25, 1147095), (27, 1062125), (29, 988875), (45, 637275), (75, 382365), (87, 329625), (125, 229419), (135, 212425), (145, 197775), (225, 127455), (261, 109875), (293, 97875), (375, 76473), (435, 65925), (675, 42485), (725, 39555), (783, 36625), (879, 32625), (1125, 25491), (1305, 21975), (1465, 19575), (2175, 13185), (2637, 10875), (3375, 8497), (3625, 7911), (3915, 7325), (4395, 6525)]