221286663

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 353808000

約数和(自身を除く): 132521337

約数列:

[1, 3, 9, 13, 39, 79, 89, 117, 237, 267, 269, 711, 801, 807, 1027, 1157, 2421, 3081, 3471, 3497, 7031, 9243, 10413, 10491, 21093, 21251, 23941, 31473, 63279, 63753, 71823, 91403, 191259, 215469, 274209, 276263, 311233, 822627, 828789, 933699, 1891339, 2486367, 2801097, 5674017, 17022051, 24587407, 73762221, 221286663]

約数ペア:

[(1, 221286663), (3, 73762221), (9, 24587407), (13, 17022051), (39, 5674017), (79, 2801097), (89, 2486367), (117, 1891339), (237, 933699), (267, 828789), (269, 822627), (711, 311233), (801, 276263), (807, 274209), (1027, 215469), (1157, 191259), (2421, 91403), (3081, 71823), (3471, 63753), (3497, 63279), (7031, 31473), (9243, 23941), (10413, 21251), (10491, 21093)]