28293813

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 15453387

約数列:

[1, 3, 9, 27, 41, 61, 123, 183, 369, 419, 549, 1107, 1257, 1647, 2501, 3771, 7503, 11313, 17179, 22509, 25559, 51537, 67527, 76677, 154611, 230031, 463833, 690093, 1047919, 3143757, 9431271, 28293813]

約数ペア:

[(1, 28293813), (3, 9431271), (9, 3143757), (27, 1047919), (41, 690093), (61, 463833), (123, 230031), (183, 154611), (369, 76677), (419, 67527), (549, 51537), (1107, 25559), (1257, 22509), (1647, 17179), (2501, 11313), (3771, 7503)]