71911485

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 132312960

約数和(自身を除く): 60401475

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 151, 171, 285, 453, 557, 755, 855, 1359, 1671, 2265, 2785, 2869, 5013, 6795, 8355, 8607, 10583, 14345, 25065, 25821, 31749, 43035, 52915, 84107, 95247, 129105, 158745, 252321, 420535, 476235, 756963, 1261605, 1598033, 3784815, 4794099, 7990165, 14382297, 23970495, 71911485]

約数ペア:

[(1, 71911485), (3, 23970495), (5, 14382297), (9, 7990165), (15, 4794099), (19, 3784815), (45, 1598033), (57, 1261605), (95, 756963), (151, 476235), (171, 420535), (285, 252321), (453, 158745), (557, 129105), (755, 95247), (855, 84107), (1359, 52915), (1671, 43035), (2265, 31749), (2785, 25821), (2869, 25065), (5013, 14345), (6795, 10583), (8355, 8607)]