1975575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3856896

約数和(自身を除く): 1881321

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 71, 75, 105, 159, 175, 213, 265, 355, 371, 497, 525, 795, 1065, 1113, 1325, 1491, 1775, 1855, 2485, 3763, 3975, 5325, 5565, 7455, 9275, 11289, 12425, 18815, 26341, 27825, 37275, 56445, 79023, 94075, 131705, 282225, 395115, 658525, 1975575]

約数ペア:

[(1, 1975575), (3, 658525), (5, 395115), (7, 282225), (15, 131705), (21, 94075), (25, 79023), (35, 56445), (53, 37275), (71, 27825), (75, 26341), (105, 18815), (159, 12425), (175, 11289), (213, 9275), (265, 7455), (355, 5565), (371, 5325), (497, 3975), (525, 3763), (795, 2485), (1065, 1855), (1113, 1775), (1325, 1491)]