64861845

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 106900992

約数和(自身を除く): 42039147

約数列:

[1, 3, 5, 15, 43, 129, 215, 227, 443, 645, 681, 1135, 1329, 2215, 3405, 6645, 9761, 19049, 29283, 48805, 57147, 95245, 100561, 146415, 285735, 301683, 502805, 1508415, 4324123, 12972369, 21620615, 64861845]

約数ペア:

[(1, 64861845), (3, 21620615), (5, 12972369), (15, 4324123), (43, 1508415), (129, 502805), (215, 301683), (227, 285735), (443, 146415), (645, 100561), (681, 95245), (1135, 57147), (1329, 48805), (2215, 29283), (3405, 19049), (6645, 9761)]