212581875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{937}}^1$

素因数の和:982

約数の個数: 60

約数和(自身を含む): 389731496

約数和(自身を除く): 177149621

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 605, 625, 825, 937, 1375, 1815, 1875, 2811, 3025, 4125, 4685, 6875, 9075, 10307, 14055, 15125, 20625, 23425, 30921, 45375, 51535, 70275, 75625, 113377, 117125, 154605, 226875, 257675, 340131, 351375, 566885, 585625, 773025, 1288375, 1700655, 1756875, 2834425, 3865125, 6441875, 8503275, 14172125, 19325625, 42516375, 70860625, 212581875]

約数ペア:

[(1, 212581875), (3, 70860625), (5, 42516375), (11, 19325625), (15, 14172125), (25, 8503275), (33, 6441875), (55, 3865125), (75, 2834425), (121, 1756875), (125, 1700655), (165, 1288375), (275, 773025), (363, 585625), (375, 566885), (605, 351375), (625, 340131), (825, 257675), (937, 226875), (1375, 154605), (1815, 117125), (1875, 113377), (2811, 75625), (3025, 70275), (4125, 51535), (4685, 45375), (6875, 30921), (9075, 23425), (10307, 20625), (14055, 15125)]