331131717

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 558754560

約数和(自身を除く): 227622843

約数列:

[1, 3, 7, 9, 21, 63, 71, 181, 213, 409, 497, 543, 639, 1227, 1267, 1491, 1629, 2863, 3681, 3801, 4473, 8589, 11403, 12851, 25767, 29039, 38553, 74029, 87117, 89957, 115659, 203273, 222087, 261351, 269871, 518203, 609819, 666261, 809613, 1554609, 1829457, 4663827, 5256059, 15768177, 36792413, 47304531, 110377239, 331131717]

約数ペア:

[(1, 331131717), (3, 110377239), (7, 47304531), (9, 36792413), (21, 15768177), (63, 5256059), (71, 4663827), (181, 1829457), (213, 1554609), (409, 809613), (497, 666261), (543, 609819), (639, 518203), (1227, 269871), (1267, 261351), (1491, 222087), (1629, 203273), (2863, 115659), (3681, 89957), (3801, 87117), (4473, 74029), (8589, 38553), (11403, 29039), (12851, 25767)]