61914489

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 104569920

約数和(自身を除く): 42655431

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 179, 181, 273, 537, 543, 637, 1253, 1267, 1911, 2327, 2353, 3759, 3801, 6981, 7059, 8771, 8869, 16289, 16471, 26313, 26607, 32399, 48867, 49413, 97197, 114023, 115297, 226793, 342069, 345891, 421187, 680379, 1263561, 1587551, 2948309, 4762653, 8844927, 20638163, 61914489]

約数ペア:

[(1, 61914489), (3, 20638163), (7, 8844927), (13, 4762653), (21, 2948309), (39, 1587551), (49, 1263561), (91, 680379), (147, 421187), (179, 345891), (181, 342069), (273, 226793), (537, 115297), (543, 114023), (637, 97197), (1253, 49413), (1267, 48867), (1911, 32399), (2327, 26607), (2353, 26313), (3759, 16471), (3801, 16289), (6981, 8869), (7059, 8771)]