289383471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 476476000

約数和(自身を除く): 187092529

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 349, 373, 741, 1047, 1119, 2223, 3141, 3357, 4537, 4849, 6631, 7087, 13611, 14547, 19893, 21261, 40833, 43641, 59679, 63783, 86203, 92131, 130177, 258609, 276393, 390531, 775827, 829179, 1171593, 1692301, 2473363, 5076903, 7420089, 15230709, 22260267, 32153719, 96461157, 289383471]

約数ペア:

[(1, 289383471), (3, 96461157), (9, 32153719), (13, 22260267), (19, 15230709), (39, 7420089), (57, 5076903), (117, 2473363), (171, 1692301), (247, 1171593), (349, 829179), (373, 775827), (741, 390531), (1047, 276393), (1119, 258609), (2223, 130177), (3141, 92131), (3357, 86203), (4537, 63783), (4849, 59679), (6631, 43641), (7087, 40833), (13611, 21261), (14547, 19893)]