661567156215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1913}}^1\times {\mathrm{470513}}^1$

素因数の和:472448

約数の個数: 48

約数和(自身を含む): 1231971272928

約数和(自身を除く): 570404116713

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1913, 5739, 9565, 13391, 28695, 40173, 66955, 93737, 200865, 281211, 468685, 470513, 1406055, 1411539, 2352565, 3293591, 7057695, 9880773, 16467955, 23055137, 49403865, 69165411, 115275685, 345827055, 900091369, 2700274107, 4500456845, 6300639583, 13501370535, 18901918749, 31503197915, 44104477081, 94509593745, 132313431243, 220522385405, 661567156215]

約数ペア:

[(1, 661567156215), (3, 220522385405), (5, 132313431243), (7, 94509593745), (15, 44104477081), (21, 31503197915), (35, 18901918749), (49, 13501370535), (105, 6300639583), (147, 4500456845), (245, 2700274107), (735, 900091369), (1913, 345827055), (5739, 115275685), (9565, 69165411), (13391, 49403865), (28695, 23055137), (40173, 16467955), (66955, 9880773), (93737, 7057695), (200865, 3293591), (281211, 2352565), (468685, 1411539), (470513, 1406055)]