17218275

素因数分解:

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

素因数の和:356

約数の個数: 48

約数和(自身を含む): 30771840

約数和(自身を除く): 13553565

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 281, 285, 475, 645, 817, 843, 1075, 1405, 1425, 2451, 3225, 4085, 4215, 5339, 7025, 12083, 12255, 16017, 20425, 21075, 26695, 36249, 60415, 61275, 80085, 133475, 181245, 229577, 302075, 400425, 688731, 906225, 1147885, 3443655, 5739425, 17218275]

約数ペア:

[(1, 17218275), (3, 5739425), (5, 3443655), (15, 1147885), (19, 906225), (25, 688731), (43, 400425), (57, 302075), (75, 229577), (95, 181245), (129, 133475), (215, 80085), (281, 61275), (285, 60415), (475, 36249), (645, 26695), (817, 21075), (843, 20425), (1075, 16017), (1405, 12255), (1425, 12083), (2451, 7025), (3225, 5339), (4085, 4215)]