81472725

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3733}}^1$

素因数の和:3846

約数の個数: 36

約数和(自身を含む): 147470596

約数和(自身を除く): 65997871

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1455, 2425, 3733, 4365, 7275, 11199, 18665, 21825, 33597, 55995, 93325, 167985, 279975, 362101, 839925, 1086303, 1810505, 3258909, 5431515, 9052525, 16294545, 27157575, 81472725]

約数ペア:

[(1, 81472725), (3, 27157575), (5, 16294545), (9, 9052525), (15, 5431515), (25, 3258909), (45, 1810505), (75, 1086303), (97, 839925), (225, 362101), (291, 279975), (485, 167985), (873, 93325), (1455, 55995), (2425, 33597), (3733, 21825), (4365, 18665), (7275, 11199)]