31470327

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 24240393

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 431, 549, 1159, 1197, 1281, 1293, 3017, 3477, 3843, 3879, 8113, 8189, 9051, 10431, 24339, 24567, 26291, 27153, 57323, 73017, 73701, 78873, 171969, 184037, 236619, 499529, 515907, 552111, 1498587, 1656333, 3496703, 4495761, 10490109, 31470327]

約数ペア:

[(1, 31470327), (3, 10490109), (7, 4495761), (9, 3496703), (19, 1656333), (21, 1498587), (57, 552111), (61, 515907), (63, 499529), (133, 236619), (171, 184037), (183, 171969), (399, 78873), (427, 73701), (431, 73017), (549, 57323), (1159, 27153), (1197, 26291), (1281, 24567), (1293, 24339), (3017, 10431), (3477, 9051), (3843, 8189), (3879, 8113)]