72782241

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 113465088

約数和(自身を除く): 40682847

約数列:

[1, 3, 7, 21, 73, 197, 219, 241, 511, 591, 723, 1379, 1533, 1687, 4137, 5061, 14381, 17593, 43143, 47477, 52779, 100667, 123151, 142431, 302001, 332339, 369453, 997017, 3465821, 10397463, 24260747, 72782241]

約数ペア:

[(1, 72782241), (3, 24260747), (7, 10397463), (21, 3465821), (73, 997017), (197, 369453), (219, 332339), (241, 302001), (511, 142431), (591, 123151), (723, 100667), (1379, 52779), (1533, 47477), (1687, 43143), (4137, 17593), (5061, 14381)]