64680075

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2004

約数の個数: 36

約数和(自身を含む): 116650768

約数和(自身を除く): 51970693

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 1413, 1831, 2355, 3925, 5493, 7065, 9155, 11775, 16479, 27465, 35325, 45775, 82395, 137325, 287467, 411975, 862401, 1437335, 2587203, 4312005, 7186675, 12936015, 21560025, 64680075]

約数ペア:

[(1, 64680075), (3, 21560025), (5, 12936015), (9, 7186675), (15, 4312005), (25, 2587203), (45, 1437335), (75, 862401), (157, 411975), (225, 287467), (471, 137325), (785, 82395), (1413, 45775), (1831, 35325), (2355, 27465), (3925, 16479), (5493, 11775), (7065, 9155)]