22379985

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 40854528

約数和(自身を除く): 18474543

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 155, 183, 263, 279, 305, 465, 549, 789, 915, 1315, 1395, 1891, 2367, 2745, 3945, 5673, 8153, 9455, 11835, 16043, 17019, 24459, 28365, 40765, 48129, 73377, 80215, 85095, 122295, 144387, 240645, 366885, 497333, 721935, 1491999, 2486665, 4475997, 7459995, 22379985]

約数ペア:

[(1, 22379985), (3, 7459995), (5, 4475997), (9, 2486665), (15, 1491999), (31, 721935), (45, 497333), (61, 366885), (93, 240645), (155, 144387), (183, 122295), (263, 85095), (279, 80215), (305, 73377), (465, 48129), (549, 40765), (789, 28365), (915, 24459), (1315, 17019), (1395, 16043), (1891, 11835), (2367, 9455), (2745, 8153), (3945, 5673)]