64986975

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2301

約数の個数: 48

約数和(自身を含む): 122214400

約数和(自身を除く): 57227425

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 2239, 3225, 5805, 6717, 9675, 11195, 20151, 29025, 33585, 55975, 60453, 96277, 100755, 167925, 288831, 302265, 481385, 503775, 866493, 1444155, 1511325, 2406925, 2599479, 4332465, 7220775, 12997395, 21662325, 64986975]

約数ペア:

[(1, 64986975), (3, 21662325), (5, 12997395), (9, 7220775), (15, 4332465), (25, 2599479), (27, 2406925), (43, 1511325), (45, 1444155), (75, 866493), (129, 503775), (135, 481385), (215, 302265), (225, 288831), (387, 167925), (645, 100755), (675, 96277), (1075, 60453), (1161, 55975), (1935, 33585), (2239, 29025), (3225, 20151), (5805, 11195), (6717, 9675)]