1285321725

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 2380224392

約数和(自身を除く): 1094902667

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 181, 185, 225, 333, 543, 555, 853, 905, 925, 1629, 1665, 2559, 2715, 2775, 4265, 4525, 6697, 7677, 8145, 8325, 12795, 13575, 20091, 21325, 31561, 33485, 38385, 40725, 60273, 63975, 94683, 100455, 154393, 157805, 167425, 191925, 284049, 301365, 463179, 473415, 502275, 771965, 789025, 1389537, 1420245, 1506825, 2315895, 2367075, 3859825, 5712541, 6947685, 7101225, 11579475, 17137623, 28562705, 34738425, 51412869, 85688115, 142813525, 257064345, 428440575, 1285321725]

約数ペア:

[(1, 1285321725), (3, 428440575), (5, 257064345), (9, 142813525), (15, 85688115), (25, 51412869), (37, 34738425), (45, 28562705), (75, 17137623), (111, 11579475), (181, 7101225), (185, 6947685), (225, 5712541), (333, 3859825), (543, 2367075), (555, 2315895), (853, 1506825), (905, 1420245), (925, 1389537), (1629, 789025), (1665, 771965), (2559, 502275), (2715, 473415), (2775, 463179), (4265, 301365), (4525, 284049), (6697, 191925), (7677, 167425), (8145, 157805), (8325, 154393), (12795, 100455), (13575, 94683), (20091, 63975), (21325, 60273), (31561, 40725), (33485, 38385)]