201627875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 264316416

約数和(自身を除く): 62688541

約数列:

[1, 5, 25, 31, 61, 125, 155, 305, 775, 853, 1525, 1891, 3875, 4265, 7625, 9455, 21325, 26443, 47275, 52033, 106625, 132215, 236375, 260165, 661075, 1300825, 1613023, 3305375, 6504125, 8065115, 40325575, 201627875]

約数ペア:

[(1, 201627875), (5, 40325575), (25, 8065115), (31, 6504125), (61, 3305375), (125, 1613023), (155, 1300825), (305, 661075), (775, 260165), (853, 236375), (1525, 132215), (1891, 106625), (3875, 52033), (4265, 47275), (7625, 26443), (9455, 21325)]