155219181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 230334720

約数和(自身を除く): 75115539

約数列:

[1, 3, 13, 37, 39, 111, 263, 409, 481, 789, 1227, 1443, 3419, 5317, 9731, 10257, 15133, 15951, 29193, 45399, 107567, 126503, 196729, 322701, 379509, 590187, 1398371, 3979979, 4195113, 11939937, 51739727, 155219181]

約数ペア:

[(1, 155219181), (3, 51739727), (13, 11939937), (37, 4195113), (39, 3979979), (111, 1398371), (263, 590187), (409, 379509), (481, 322701), (789, 196729), (1227, 126503), (1443, 107567), (3419, 45399), (5317, 29193), (9731, 15951), (10257, 15133)]