21944325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 17803131

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 317, 325, 355, 923, 951, 975, 1065, 1585, 1775, 2769, 4121, 4615, 4755, 5325, 7925, 12363, 13845, 20605, 22507, 23075, 23775, 61815, 67521, 69225, 103025, 112535, 292591, 309075, 337605, 562675, 877773, 1462955, 1688025, 4388865, 7314775, 21944325]

約数ペア:

[(1, 21944325), (3, 7314775), (5, 4388865), (13, 1688025), (15, 1462955), (25, 877773), (39, 562675), (65, 337605), (71, 309075), (75, 292591), (195, 112535), (213, 103025), (317, 69225), (325, 67521), (355, 61815), (923, 23775), (951, 23075), (975, 22507), (1065, 20605), (1585, 13845), (1775, 12363), (2769, 7925), (4121, 5325), (4615, 4755)]