9940203

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 18083520

約数和(自身を除く): 8143317

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 229, 273, 371, 477, 687, 689, 819, 1113, 1603, 2061, 2067, 2977, 3339, 4809, 4823, 6201, 8931, 12137, 14427, 14469, 20839, 26793, 36411, 43407, 62517, 84959, 109233, 157781, 187551, 254877, 473343, 764631, 1104467, 1420029, 3313401, 9940203]

約数ペア:

[(1, 9940203), (3, 3313401), (7, 1420029), (9, 1104467), (13, 764631), (21, 473343), (39, 254877), (53, 187551), (63, 157781), (91, 109233), (117, 84959), (159, 62517), (229, 43407), (273, 36411), (371, 26793), (477, 20839), (687, 14469), (689, 14427), (819, 12137), (1113, 8931), (1603, 6201), (2061, 4823), (2067, 4809), (2977, 3339)]