23208525

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 60

約数和(自身を含む): 43856692

約数和(自身を除く): 20648167

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 157, 219, 225, 365, 405, 471, 657, 675, 785, 1095, 1413, 1825, 1971, 2025, 2355, 3285, 3925, 4239, 5475, 5913, 7065, 9855, 11461, 11775, 12717, 16425, 21195, 29565, 34383, 35325, 49275, 57305, 63585, 103149, 105975, 147825, 171915, 286525, 309447, 317925, 515745, 859575, 928341, 1547235, 2578725, 4641705, 7736175, 23208525]

約数ペア:

[(1, 23208525), (3, 7736175), (5, 4641705), (9, 2578725), (15, 1547235), (25, 928341), (27, 859575), (45, 515745), (73, 317925), (75, 309447), (81, 286525), (135, 171915), (157, 147825), (219, 105975), (225, 103149), (365, 63585), (405, 57305), (471, 49275), (657, 35325), (675, 34383), (785, 29565), (1095, 21195), (1413, 16425), (1825, 12717), (1971, 11775), (2025, 11461), (2355, 9855), (3285, 7065), (3925, 5913), (4239, 5475)]