248973525

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 462486024

約数和(自身を除く): 213512499

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 137, 197, 205, 225, 369, 411, 591, 615, 685, 985, 1025, 1233, 1773, 1845, 2055, 2955, 3075, 3425, 4925, 5617, 6165, 8077, 8865, 9225, 10275, 14775, 16851, 24231, 26989, 28085, 30825, 40385, 44325, 50553, 72693, 80967, 84255, 121155, 134945, 140425, 201925, 242901, 252765, 363465, 404835, 421275, 605775, 674725, 1106549, 1214505, 1263825, 1817325, 2024175, 3319647, 5532745, 6072525, 9958941, 16598235, 27663725, 49794705, 82991175, 248973525]

約数ペア:

[(1, 248973525), (3, 82991175), (5, 49794705), (9, 27663725), (15, 16598235), (25, 9958941), (41, 6072525), (45, 5532745), (75, 3319647), (123, 2024175), (137, 1817325), (197, 1263825), (205, 1214505), (225, 1106549), (369, 674725), (411, 605775), (591, 421275), (615, 404835), (685, 363465), (985, 252765), (1025, 242901), (1233, 201925), (1773, 140425), (1845, 134945), (2055, 121155), (2955, 84255), (3075, 80967), (3425, 72693), (4925, 50553), (5617, 44325), (6165, 40385), (8077, 30825), (8865, 28085), (9225, 26989), (10275, 24231), (14775, 16851)]