251832591

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1399}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 383040000

約数和(自身を除く): 131207409

約数列:

[1, 3, 9, 27, 59, 113, 177, 339, 531, 1017, 1399, 1593, 3051, 4197, 6667, 12591, 20001, 37773, 60003, 82541, 158087, 180009, 247623, 474261, 742869, 1422783, 2228607, 4268349, 9327133, 27981399, 83944197, 251832591]

約数ペア:

[(1, 251832591), (3, 83944197), (9, 27981399), (27, 9327133), (59, 4268349), (113, 2228607), (177, 1422783), (339, 742869), (531, 474261), (1017, 247623), (1399, 180009), (1593, 158087), (3051, 82541), (4197, 60003), (6667, 37773), (12591, 20001)]