219175089

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 361972800

約数和(自身を除く): 142797711

約数列:

[1, 3, 7, 19, 21, 49, 57, 97, 133, 147, 291, 399, 679, 809, 931, 1843, 2037, 2427, 2793, 4753, 5529, 5663, 12901, 14259, 15371, 16989, 38703, 39641, 46113, 78473, 90307, 107597, 118923, 235419, 270921, 322791, 549311, 753179, 1490987, 1647933, 2259537, 3845177, 4472961, 10436909, 11535531, 31310727, 73058363, 219175089]

約数ペア:

[(1, 219175089), (3, 73058363), (7, 31310727), (19, 11535531), (21, 10436909), (49, 4472961), (57, 3845177), (97, 2259537), (133, 1647933), (147, 1490987), (291, 753179), (399, 549311), (679, 322791), (809, 270921), (931, 235419), (1843, 118923), (2037, 107597), (2427, 90307), (2793, 78473), (4753, 46113), (5529, 39641), (5663, 38703), (12901, 16989), (14259, 15371)]