1620876747

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1\times {\mathrm{2843}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 2617754112

約数和(自身を除く): 996877365

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1597, 2843, 4791, 8529, 11179, 19901, 27149, 33537, 48331, 59703, 81447, 144993, 190043, 338317, 570129, 1014951, 4540271, 13620813, 31781897, 77184607, 95345691, 231553821, 540292249, 1620876747]

約数ペア:

[(1, 1620876747), (3, 540292249), (7, 231553821), (17, 95345691), (21, 77184607), (51, 31781897), (119, 13620813), (357, 4540271), (1597, 1014951), (2843, 570129), (4791, 338317), (8529, 190043), (11179, 144993), (19901, 81447), (27149, 59703), (33537, 48331)]