13427991

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 20951040

約数和(自身を除く): 7523049

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 263, 279, 549, 789, 837, 1647, 1891, 2367, 5673, 7101, 8153, 16043, 17019, 24459, 48129, 51057, 73377, 144387, 220131, 433161, 497333, 1491999, 4475997, 13427991]

約数ペア:

[(1, 13427991), (3, 4475997), (9, 1491999), (27, 497333), (31, 433161), (61, 220131), (93, 144387), (183, 73377), (263, 51057), (279, 48129), (549, 24459), (789, 17019), (837, 16043), (1647, 8153), (1891, 7101), (2367, 5673)]