890357307

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{4357}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 1399022592

約数和(自身を除く): 508665285

約数列:

[1, 3, 7, 21, 37, 111, 259, 263, 777, 789, 1841, 4357, 5523, 9731, 13071, 29193, 30499, 68117, 91497, 161209, 204351, 483627, 1128463, 1145891, 3385389, 3437673, 8021237, 24063711, 42397967, 127193901, 296785769, 890357307]

約数ペア:

[(1, 890357307), (3, 296785769), (7, 127193901), (21, 42397967), (37, 24063711), (111, 8021237), (259, 3437673), (263, 3385389), (777, 1145891), (789, 1128463), (1841, 483627), (4357, 204351), (5523, 161209), (9731, 91497), (13071, 68117), (29193, 30499)]