31277631

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 57193344

約数和(自身を除く): 25915713

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 49, 69, 77, 87, 147, 161, 203, 231, 253, 319, 483, 539, 609, 667, 759, 841, 957, 1127, 1421, 1617, 1771, 2001, 2233, 2523, 3381, 4263, 4669, 5313, 5887, 6699, 7337, 9251, 12397, 14007, 15631, 17661, 19343, 22011, 27753, 32683, 37191, 41209, 46893, 51359, 58029, 64757, 98049, 123627, 135401, 154077, 194271, 212773, 359513, 406203, 453299, 638319, 947807, 1078539, 1359897, 1489411, 2843421, 4468233, 10425877, 31277631]

約数ペア:

[(1, 31277631), (3, 10425877), (7, 4468233), (11, 2843421), (21, 1489411), (23, 1359897), (29, 1078539), (33, 947807), (49, 638319), (69, 453299), (77, 406203), (87, 359513), (147, 212773), (161, 194271), (203, 154077), (231, 135401), (253, 123627), (319, 98049), (483, 64757), (539, 58029), (609, 51359), (667, 46893), (759, 41209), (841, 37191), (957, 32683), (1127, 27753), (1421, 22011), (1617, 19343), (1771, 17661), (2001, 15631), (2233, 14007), (2523, 12397), (3381, 9251), (4263, 7337), (4669, 6699), (5313, 5887)]