260895999

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12097}}^1$

素因数の和:12199

約数の個数: 32

約数和(自身を含む): 433592320

約数和(自身を除く): 172696321

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 12097, 21567, 36291, 84679, 157261, 254037, 471783, 955663, 1100827, 2866989, 3302481, 6689641, 12423619, 20068923, 37270857, 86965333, 260895999]

約数ペア:

[(1, 260895999), (3, 86965333), (7, 37270857), (13, 20068923), (21, 12423619), (39, 6689641), (79, 3302481), (91, 2866989), (237, 1100827), (273, 955663), (553, 471783), (1027, 254037), (1659, 157261), (3081, 84679), (7189, 36291), (12097, 21567)]