38640609

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 68365440

約数和(自身を除く): 29724831

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 327, 331, 357, 763, 981, 993, 1071, 1853, 2289, 2317, 2979, 5559, 5627, 6867, 6951, 12971, 16677, 16881, 20853, 36079, 38913, 39389, 50643, 108237, 116739, 118167, 252553, 324711, 354501, 613343, 757659, 1840029, 2272977, 4293401, 5520087, 12880203, 38640609]

約数ペア:

[(1, 38640609), (3, 12880203), (7, 5520087), (9, 4293401), (17, 2272977), (21, 1840029), (51, 757659), (63, 613343), (109, 354501), (119, 324711), (153, 252553), (327, 118167), (331, 116739), (357, 108237), (763, 50643), (981, 39389), (993, 38913), (1071, 36079), (1853, 20853), (2289, 16881), (2317, 16677), (2979, 12971), (5559, 6951), (5627, 6867)]