81442998

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7103}}^1$

素因数の和:7138

約数の個数: 72

約数和(自身を含む): 221090688

約数和(自身を除く): 139647690

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 7103, 11466, 14206, 21309, 42618, 49721, 63927, 92339, 99442, 127854, 149163, 184678, 277017, 298326, 348047, 447489, 554034, 646373, 696094, 831051, 894978, 1044141, 1292746, 1662102, 1939119, 2088282, 3132423, 3878238, 4524611, 5817357, 6264846, 9049222, 11634714, 13573833, 27147666, 40721499, 81442998]

約数ペア:

[(1, 81442998), (2, 40721499), (3, 27147666), (6, 13573833), (7, 11634714), (9, 9049222), (13, 6264846), (14, 5817357), (18, 4524611), (21, 3878238), (26, 3132423), (39, 2088282), (42, 1939119), (49, 1662102), (63, 1292746), (78, 1044141), (91, 894978), (98, 831051), (117, 696094), (126, 646373), (147, 554034), (182, 447489), (234, 348047), (273, 298326), (294, 277017), (441, 184678), (546, 149163), (637, 127854), (819, 99442), (882, 92339), (1274, 63927), (1638, 49721), (1911, 42618), (3822, 21309), (5733, 14206), (7103, 11466)]