16864875

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 32947200

約数和(自身を除く): 16082325

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 263, 285, 375, 475, 513, 675, 789, 855, 1125, 1315, 1425, 2367, 2375, 2565, 3375, 3945, 4275, 4997, 6575, 7101, 7125, 11835, 12825, 14991, 19725, 21375, 24985, 32875, 35505, 44973, 59175, 64125, 74955, 98625, 124925, 134919, 177525, 224865, 295875, 374775, 624625, 674595, 887625, 1124325, 1873875, 3372975, 5621625, 16864875]

約数ペア:

[(1, 16864875), (3, 5621625), (5, 3372975), (9, 1873875), (15, 1124325), (19, 887625), (25, 674595), (27, 624625), (45, 374775), (57, 295875), (75, 224865), (95, 177525), (125, 134919), (135, 124925), (171, 98625), (225, 74955), (263, 64125), (285, 59175), (375, 44973), (475, 35505), (513, 32875), (675, 24985), (789, 21375), (855, 19725), (1125, 14991), (1315, 12825), (1425, 11835), (2367, 7125), (2375, 7101), (2565, 6575), (3375, 4997), (3945, 4275)]