1616571891

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{21179}}^1$

素因数の和:21456

約数の個数: 32

約数和(自身を含む): 2622931200

約数和(自身を除く): 1006359309

約数列:

[1, 3, 9, 11, 27, 33, 99, 257, 297, 771, 2313, 2827, 6939, 8481, 21179, 25443, 63537, 76329, 190611, 232969, 571833, 698907, 2096721, 5443003, 6290163, 16329009, 48987027, 59873033, 146961081, 179619099, 538857297, 1616571891]

約数ペア:

[(1, 1616571891), (3, 538857297), (9, 179619099), (11, 146961081), (27, 59873033), (33, 48987027), (99, 16329009), (257, 6290163), (297, 5443003), (771, 2096721), (2313, 698907), (2827, 571833), (6939, 232969), (8481, 190611), (21179, 76329), (25443, 63537)]