71804625

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 125968128

約数和(自身を除く): 54163503

約数列:

[1, 3, 5, 15, 25, 43, 61, 73, 75, 125, 129, 183, 215, 219, 305, 365, 375, 645, 915, 1075, 1095, 1525, 1825, 2623, 3139, 3225, 4453, 4575, 5375, 5475, 7625, 7869, 9125, 9417, 13115, 13359, 15695, 16125, 22265, 22875, 27375, 39345, 47085, 65575, 66795, 78475, 111325, 191479, 196725, 235425, 327875, 333975, 392375, 556625, 574437, 957395, 983625, 1177125, 1669875, 2872185, 4786975, 14360925, 23934875, 71804625]

約数ペア:

[(1, 71804625), (3, 23934875), (5, 14360925), (15, 4786975), (25, 2872185), (43, 1669875), (61, 1177125), (73, 983625), (75, 957395), (125, 574437), (129, 556625), (183, 392375), (215, 333975), (219, 327875), (305, 235425), (365, 196725), (375, 191479), (645, 111325), (915, 78475), (1075, 66795), (1095, 65575), (1525, 47085), (1825, 39345), (2623, 27375), (3139, 22875), (3225, 22265), (4453, 16125), (4575, 15695), (5375, 13359), (5475, 13115), (7625, 9417), (7869, 9125)]