72972123

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 119771136

約数和(自身を除く): 46799013

約数列:

[1, 3, 7, 21, 23, 49, 69, 113, 147, 161, 191, 339, 483, 573, 791, 1127, 1337, 2373, 2599, 3381, 4011, 4393, 5537, 7797, 9359, 13179, 16611, 18193, 21583, 28077, 30751, 54579, 64749, 92253, 127351, 151081, 215257, 382053, 453243, 496409, 645771, 1057567, 1489227, 3172701, 3474863, 10424589, 24324041, 72972123]

約数ペア:

[(1, 72972123), (3, 24324041), (7, 10424589), (21, 3474863), (23, 3172701), (49, 1489227), (69, 1057567), (113, 645771), (147, 496409), (161, 453243), (191, 382053), (339, 215257), (483, 151081), (573, 127351), (791, 92253), (1127, 64749), (1337, 54579), (2373, 30751), (2599, 28077), (3381, 21583), (4011, 18193), (4393, 16611), (5537, 13179), (7797, 9359)]