81469332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2141}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 237025152

約数和(自身を除く): 155555820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 151, 252, 302, 453, 604, 906, 1057, 1359, 1812, 2114, 2141, 2718, 3171, 4228, 4282, 5436, 6342, 6423, 8564, 9513, 12684, 12846, 14987, 19026, 19269, 25692, 29974, 38052, 38538, 44961, 59948, 77076, 89922, 134883, 179844, 269766, 323291, 539532, 646582, 969873, 1293164, 1939746, 2263037, 2909619, 3879492, 4526074, 5819238, 6789111, 9052148, 11638476, 13578222, 20367333, 27156444, 40734666, 81469332]

約数ペア:

[(1, 81469332), (2, 40734666), (3, 27156444), (4, 20367333), (6, 13578222), (7, 11638476), (9, 9052148), (12, 6789111), (14, 5819238), (18, 4526074), (21, 3879492), (28, 2909619), (36, 2263037), (42, 1939746), (63, 1293164), (84, 969873), (126, 646582), (151, 539532), (252, 323291), (302, 269766), (453, 179844), (604, 134883), (906, 89922), (1057, 77076), (1359, 59948), (1812, 44961), (2114, 38538), (2141, 38052), (2718, 29974), (3171, 25692), (4228, 19269), (4282, 19026), (5436, 14987), (6342, 12846), (6423, 12684), (8564, 9513)]