987012

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 96

約数和(自身を含む): 2979200

約数和(自身を除く): 1992188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 37, 38, 39, 52, 54, 57, 74, 76, 78, 108, 111, 114, 117, 148, 156, 171, 222, 228, 234, 247, 333, 342, 351, 444, 468, 481, 494, 513, 666, 684, 702, 703, 741, 962, 988, 999, 1026, 1332, 1404, 1406, 1443, 1482, 1924, 1998, 2052, 2109, 2223, 2812, 2886, 2964, 3996, 4218, 4329, 4446, 5772, 6327, 6669, 8436, 8658, 8892, 9139, 12654, 12987, 13338, 17316, 18278, 18981, 25308, 25974, 26676, 27417, 36556, 37962, 51948, 54834, 75924, 82251, 109668, 164502, 246753, 329004, 493506, 987012]

約数ペア:

[(1, 987012), (2, 493506), (3, 329004), (4, 246753), (6, 164502), (9, 109668), (12, 82251), (13, 75924), (18, 54834), (19, 51948), (26, 37962), (27, 36556), (36, 27417), (37, 26676), (38, 25974), (39, 25308), (52, 18981), (54, 18278), (57, 17316), (74, 13338), (76, 12987), (78, 12654), (108, 9139), (111, 8892), (114, 8658), (117, 8436), (148, 6669), (156, 6327), (171, 5772), (222, 4446), (228, 4329), (234, 4218), (247, 3996), (333, 2964), (342, 2886), (351, 2812), (444, 2223), (468, 2109), (481, 2052), (494, 1998), (513, 1924), (666, 1482), (684, 1443), (702, 1406), (703, 1404), (741, 1332), (962, 1026), (988, 999)]