718443789

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 1168530048

約数和(自身を除く): 450086259

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 361, 399, 679, 977, 1083, 1843, 2037, 2527, 2931, 5529, 6839, 7581, 12901, 18563, 20517, 35017, 38703, 55689, 94769, 105051, 129941, 245119, 284307, 352697, 389823, 663383, 735357, 1058091, 1800611, 1990149, 2468879, 5401833, 7406637, 12604277, 34211609, 37812831, 102634827, 239481263, 718443789]

約数ペア:

[(1, 718443789), (3, 239481263), (7, 102634827), (19, 37812831), (21, 34211609), (57, 12604277), (97, 7406637), (133, 5401833), (291, 2468879), (361, 1990149), (399, 1800611), (679, 1058091), (977, 735357), (1083, 663383), (1843, 389823), (2037, 352697), (2527, 284307), (2931, 245119), (5529, 129941), (6839, 105051), (7581, 94769), (12901, 55689), (18563, 38703), (20517, 35017)]