210980475

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{25343}}^1$

素因数の和:25396

約数の個数: 36

約数和(自身を含む): 388118016

約数和(自身を除く): 177137541

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 8325, 25343, 76029, 126715, 228087, 380145, 633575, 937691, 1140435, 1900725, 2813073, 4688455, 5702175, 8439219, 14065365, 23442275, 42196095, 70326825, 210980475]

約数ペア:

[(1, 210980475), (3, 70326825), (5, 42196095), (9, 23442275), (15, 14065365), (25, 8439219), (37, 5702175), (45, 4688455), (75, 2813073), (111, 1900725), (185, 1140435), (225, 937691), (333, 633575), (555, 380145), (925, 228087), (1665, 126715), (2775, 76029), (8325, 25343)]