72202011

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 113246208

約数和(自身を除く): 41044197

約数列:

[1, 3, 7, 21, 47, 141, 191, 329, 383, 573, 987, 1149, 1337, 2681, 4011, 8043, 8977, 18001, 26931, 54003, 62839, 73153, 126007, 188517, 219459, 378021, 512071, 1536213, 3438191, 10314573, 24067337, 72202011]

約数ペア:

[(1, 72202011), (3, 24067337), (7, 10314573), (21, 3438191), (47, 1536213), (141, 512071), (191, 378021), (329, 219459), (383, 188517), (573, 126007), (987, 73153), (1149, 62839), (1337, 54003), (2681, 26931), (4011, 18001), (8043, 8977)]