47909025

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3086

約数の個数: 36

約数和(自身を含む): 87048000

約数和(自身を除く): 39138975

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 2999, 3195, 5325, 8997, 14995, 15975, 26991, 44985, 74975, 134955, 212929, 224925, 638787, 674775, 1064645, 1916361, 3193935, 5323225, 9581805, 15969675, 47909025]

約数ペア:

[(1, 47909025), (3, 15969675), (5, 9581805), (9, 5323225), (15, 3193935), (25, 1916361), (45, 1064645), (71, 674775), (75, 638787), (213, 224925), (225, 212929), (355, 134955), (639, 74975), (1065, 44985), (1775, 26991), (2999, 15975), (3195, 14995), (5325, 8997)]