40697307

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 69957888

約数和(自身を除く): 29260581

約数列:

[1, 3, 7, 9, 21, 43, 63, 83, 129, 181, 249, 301, 387, 543, 581, 747, 903, 1267, 1629, 1743, 2709, 3569, 3801, 5229, 7783, 10707, 11403, 15023, 23349, 24983, 32121, 45069, 54481, 70047, 74949, 105161, 135207, 163443, 224847, 315483, 490329, 645989, 946449, 1937967, 4521923, 5813901, 13565769, 40697307]

約数ペア:

[(1, 40697307), (3, 13565769), (7, 5813901), (9, 4521923), (21, 1937967), (43, 946449), (63, 645989), (83, 490329), (129, 315483), (181, 224847), (249, 163443), (301, 135207), (387, 105161), (543, 74949), (581, 70047), (747, 54481), (903, 45069), (1267, 32121), (1629, 24983), (1743, 23349), (2709, 15023), (3569, 11403), (3801, 10707), (5229, 7783)]