123207075

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 242515728

約数和(自身を除く): 119308653

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 405, 425, 459, 675, 765, 1193, 1215, 1275, 1377, 2025, 2295, 3579, 3825, 4131, 5965, 6075, 6885, 10737, 11475, 17895, 20281, 20655, 29825, 32211, 34425, 53685, 60843, 89475, 96633, 101405, 103275, 161055, 182529, 268425, 289899, 304215, 483165, 507025, 547587, 805275, 912645, 1449495, 1521075, 1642761, 2415825, 2737935, 4563225, 4928283, 7247475, 8213805, 13689675, 24641415, 41069025, 123207075]

約数ペア:

[(1, 123207075), (3, 41069025), (5, 24641415), (9, 13689675), (15, 8213805), (17, 7247475), (25, 4928283), (27, 4563225), (45, 2737935), (51, 2415825), (75, 1642761), (81, 1521075), (85, 1449495), (135, 912645), (153, 805275), (225, 547587), (243, 507025), (255, 483165), (405, 304215), (425, 289899), (459, 268425), (675, 182529), (765, 161055), (1193, 103275), (1215, 101405), (1275, 96633), (1377, 89475), (2025, 60843), (2295, 53685), (3579, 34425), (3825, 32211), (4131, 29825), (5965, 20655), (6075, 20281), (6885, 17895), (10737, 11475)]