321508755

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 568249344

約数和(自身を除く): 246740589

約数列:

[1, 3, 5, 9, 15, 45, 101, 127, 303, 381, 505, 557, 635, 909, 1143, 1515, 1671, 1905, 2785, 4545, 5013, 5715, 8355, 12827, 25065, 38481, 56257, 64135, 70739, 115443, 168771, 192405, 212217, 281285, 353695, 506313, 577215, 636651, 843855, 1061085, 2531565, 3183255, 7144639, 21433917, 35723195, 64301751, 107169585, 321508755]

約数ペア:

[(1, 321508755), (3, 107169585), (5, 64301751), (9, 35723195), (15, 21433917), (45, 7144639), (101, 3183255), (127, 2531565), (303, 1061085), (381, 843855), (505, 636651), (557, 577215), (635, 506313), (909, 353695), (1143, 281285), (1515, 212217), (1671, 192405), (1905, 168771), (2785, 115443), (4545, 70739), (5013, 64135), (5715, 56257), (8355, 38481), (12827, 25065)]