631247715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{667987}}^1$

素因数の和:668008

約数の個数: 32

約数和(自身を含む): 1282536960

約数和(自身を除く): 651289245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 667987, 2003961, 3339935, 4675909, 6011883, 10019805, 14027727, 18035649, 23379545, 30059415, 42083181, 70138635, 90178245, 126249543, 210415905, 631247715]

約数ペア:

[(1, 631247715), (3, 210415905), (5, 126249543), (7, 90178245), (9, 70138635), (15, 42083181), (21, 30059415), (27, 23379545), (35, 18035649), (45, 14027727), (63, 10019805), (105, 6011883), (135, 4675909), (189, 3339935), (315, 2003961), (945, 667987)]