12821625

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 24710400

約数和(自身を除く): 11888775

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 131, 135, 145, 225, 261, 375, 393, 435, 655, 675, 725, 783, 1125, 1179, 1305, 1965, 2175, 3275, 3375, 3537, 3625, 3799, 3915, 5895, 6525, 9825, 10875, 11397, 16375, 17685, 18995, 19575, 29475, 32625, 34191, 49125, 56985, 88425, 94975, 97875, 102573, 147375, 170955, 284925, 442125, 474875, 512865, 854775, 1424625, 2564325, 4273875, 12821625]

約数ペア:

[(1, 12821625), (3, 4273875), (5, 2564325), (9, 1424625), (15, 854775), (25, 512865), (27, 474875), (29, 442125), (45, 284925), (75, 170955), (87, 147375), (125, 102573), (131, 97875), (135, 94975), (145, 88425), (225, 56985), (261, 49125), (375, 34191), (393, 32625), (435, 29475), (655, 19575), (675, 18995), (725, 17685), (783, 16375), (1125, 11397), (1179, 10875), (1305, 9825), (1965, 6525), (2175, 5895), (3275, 3915), (3375, 3799), (3537, 3625)]