207989175

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 352477440

約数和(自身を除く): 144488265

約数列:

[1, 3, 5, 15, 25, 71, 75, 139, 213, 281, 355, 417, 695, 843, 1065, 1405, 1775, 2085, 3475, 4215, 5325, 7025, 9869, 10425, 19951, 21075, 29607, 39059, 49345, 59853, 99755, 117177, 148035, 195295, 246725, 299265, 498775, 585885, 740175, 976475, 1496325, 2773189, 2929425, 8319567, 13865945, 41597835, 69329725, 207989175]

約数ペア:

[(1, 207989175), (3, 69329725), (5, 41597835), (15, 13865945), (25, 8319567), (71, 2929425), (75, 2773189), (139, 1496325), (213, 976475), (281, 740175), (355, 585885), (417, 498775), (695, 299265), (843, 246725), (1065, 195295), (1405, 148035), (1775, 117177), (2085, 99755), (3475, 59853), (4215, 49345), (5325, 39059), (7025, 29607), (9869, 21075), (10425, 19951)]