66676455

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 120294720

約数和(自身を除く): 53618265

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 123, 205, 213, 355, 369, 509, 615, 639, 1065, 1527, 1845, 2545, 2911, 3195, 4581, 7635, 8733, 14555, 20869, 22905, 26199, 36139, 43665, 62607, 104345, 108417, 130995, 180695, 187821, 313035, 325251, 542085, 939105, 1481699, 1626255, 4445097, 7408495, 13335291, 22225485, 66676455]

約数ペア:

[(1, 66676455), (3, 22225485), (5, 13335291), (9, 7408495), (15, 4445097), (41, 1626255), (45, 1481699), (71, 939105), (123, 542085), (205, 325251), (213, 313035), (355, 187821), (369, 180695), (509, 130995), (615, 108417), (639, 104345), (1065, 62607), (1527, 43665), (1845, 36139), (2545, 26199), (2911, 22905), (3195, 20869), (4581, 14555), (7635, 8733)]