51654825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 100008480

約数和(自身を除く): 48353655

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 215, 225, 281, 285, 387, 475, 645, 817, 843, 855, 1075, 1405, 1425, 1935, 2451, 2529, 3225, 4085, 4215, 4275, 5339, 7025, 7353, 9675, 12083, 12255, 12645, 16017, 20425, 21075, 26695, 36249, 36765, 48051, 60415, 61275, 63225, 80085, 108747, 133475, 181245, 183825, 229577, 240255, 302075, 400425, 543735, 688731, 906225, 1147885, 1201275, 2066193, 2718675, 3443655, 5739425, 10330965, 17218275, 51654825]

約数ペア:

[(1, 51654825), (3, 17218275), (5, 10330965), (9, 5739425), (15, 3443655), (19, 2718675), (25, 2066193), (43, 1201275), (45, 1147885), (57, 906225), (75, 688731), (95, 543735), (129, 400425), (171, 302075), (215, 240255), (225, 229577), (281, 183825), (285, 181245), (387, 133475), (475, 108747), (645, 80085), (817, 63225), (843, 61275), (855, 60415), (1075, 48051), (1405, 36765), (1425, 36249), (1935, 26695), (2451, 21075), (2529, 20425), (3225, 16017), (4085, 12645), (4215, 12255), (4275, 12083), (5339, 9675), (7025, 7353)]