1281567309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{25873}}^1$

素因数の和:25985

約数の個数: 32

約数和(自身を含む): 1987123200

約数和(自身を除く): 705555891

約数列:

[1, 3, 11, 19, 33, 57, 79, 209, 237, 627, 869, 1501, 2607, 4503, 16511, 25873, 49533, 77619, 284603, 491587, 853809, 1474761, 2043967, 5407457, 6131901, 16222371, 22483637, 38835373, 67450911, 116506119, 427189103, 1281567309]

約数ペア:

[(1, 1281567309), (3, 427189103), (11, 116506119), (19, 67450911), (33, 38835373), (57, 22483637), (79, 16222371), (209, 6131901), (237, 5407457), (627, 2043967), (869, 1474761), (1501, 853809), (2607, 491587), (4503, 284603), (16511, 77619), (25873, 49533)]