78840573

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 129110016

約数和(自身を除く): 50269443

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 151, 161, 329, 453, 483, 529, 987, 1057, 1081, 1587, 3171, 3243, 3473, 3703, 7097, 7567, 10419, 11109, 21291, 22701, 24311, 24863, 49679, 72933, 74589, 79879, 149037, 163231, 174041, 239637, 489693, 522123, 559153, 1142617, 1677459, 3427851, 3754313, 11262939, 26280191, 78840573]

約数ペア:

[(1, 78840573), (3, 26280191), (7, 11262939), (21, 3754313), (23, 3427851), (47, 1677459), (69, 1142617), (141, 559153), (151, 522123), (161, 489693), (329, 239637), (453, 174041), (483, 163231), (529, 149037), (987, 79879), (1057, 74589), (1081, 72933), (1587, 49679), (3171, 24863), (3243, 24311), (3473, 22701), (3703, 21291), (7097, 11109), (7567, 10419)]