31117338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 48508902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 191, 378, 382, 431, 573, 862, 1146, 1293, 1337, 1719, 2586, 2674, 3017, 3438, 3879, 4011, 5157, 6034, 7758, 8022, 9051, 10314, 11637, 12033, 18102, 23274, 24066, 27153, 36099, 54306, 72198, 81459, 82321, 162918, 164642, 246963, 493926, 576247, 740889, 1152494, 1481778, 1728741, 2222667, 3457482, 4445334, 5186223, 10372446, 15558669, 31117338]

約数ペア:

[(1, 31117338), (2, 15558669), (3, 10372446), (6, 5186223), (7, 4445334), (9, 3457482), (14, 2222667), (18, 1728741), (21, 1481778), (27, 1152494), (42, 740889), (54, 576247), (63, 493926), (126, 246963), (189, 164642), (191, 162918), (378, 82321), (382, 81459), (431, 72198), (573, 54306), (862, 36099), (1146, 27153), (1293, 24066), (1337, 23274), (1719, 18102), (2586, 12033), (2674, 11637), (3017, 10314), (3438, 9051), (3879, 8022), (4011, 7758), (5157, 6034)]