720197907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 1197504000

約数和(自身を除く): 477306093

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 149, 209, 247, 429, 447, 593, 627, 741, 1639, 1779, 1937, 2717, 2831, 4917, 5811, 6523, 7709, 8151, 8493, 11267, 19569, 21307, 23127, 31141, 33801, 36803, 63921, 84799, 88357, 93423, 110409, 123937, 146471, 254397, 265071, 371811, 404833, 439413, 971927, 1148641, 1214499, 1611181, 1678783, 2915781, 3445923, 4833543, 5036349, 12635051, 18466613, 21824179, 37905153, 55399839, 65472537, 240065969, 720197907]

約数ペア:

[(1, 720197907), (3, 240065969), (11, 65472537), (13, 55399839), (19, 37905153), (33, 21824179), (39, 18466613), (57, 12635051), (143, 5036349), (149, 4833543), (209, 3445923), (247, 2915781), (429, 1678783), (447, 1611181), (593, 1214499), (627, 1148641), (741, 971927), (1639, 439413), (1779, 404833), (1937, 371811), (2717, 265071), (2831, 254397), (4917, 146471), (5811, 123937), (6523, 110409), (7709, 93423), (8151, 88357), (8493, 84799), (11267, 63921), (19569, 36803), (21307, 33801), (23127, 31141)]