311688

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 965580

約数和(自身を除く): 653892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 81, 104, 108, 111, 117, 148, 156, 162, 216, 222, 234, 296, 312, 324, 333, 351, 444, 468, 481, 648, 666, 702, 888, 936, 962, 999, 1053, 1332, 1404, 1443, 1924, 1998, 2106, 2664, 2808, 2886, 2997, 3848, 3996, 4212, 4329, 5772, 5994, 7992, 8424, 8658, 11544, 11988, 12987, 17316, 23976, 25974, 34632, 38961, 51948, 77922, 103896, 155844, 311688]

約数ペア:

[(1, 311688), (2, 155844), (3, 103896), (4, 77922), (6, 51948), (8, 38961), (9, 34632), (12, 25974), (13, 23976), (18, 17316), (24, 12987), (26, 11988), (27, 11544), (36, 8658), (37, 8424), (39, 7992), (52, 5994), (54, 5772), (72, 4329), (74, 4212), (78, 3996), (81, 3848), (104, 2997), (108, 2886), (111, 2808), (117, 2664), (148, 2106), (156, 1998), (162, 1924), (216, 1443), (222, 1404), (234, 1332), (296, 1053), (312, 999), (324, 962), (333, 936), (351, 888), (444, 702), (468, 666), (481, 648)]