72641583

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1951}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 123678720

約数和(自身を除く): 51037137

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 591, 1379, 1773, 1951, 4137, 5319, 5853, 12411, 13657, 17559, 37233, 40971, 52677, 122913, 368739, 384347, 1153041, 2690429, 3459123, 8071287, 10377369, 24213861, 72641583]

約数ペア:

[(1, 72641583), (3, 24213861), (7, 10377369), (9, 8071287), (21, 3459123), (27, 2690429), (63, 1153041), (189, 384347), (197, 368739), (591, 122913), (1379, 52677), (1773, 40971), (1951, 37233), (4137, 17559), (5319, 13657), (5853, 12411)]