157142405

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 221771520

約数和(自身を除く): 64629115

約数列:

[1, 5, 7, 35, 61, 89, 305, 427, 445, 623, 827, 2135, 3115, 4135, 5429, 5789, 27145, 28945, 38003, 50447, 73603, 190015, 252235, 353129, 368015, 515221, 1765645, 2576105, 4489783, 22448915, 31428481, 157142405]

約数ペア:

[(1, 157142405), (5, 31428481), (7, 22448915), (35, 4489783), (61, 2576105), (89, 1765645), (305, 515221), (427, 368015), (445, 353129), (623, 252235), (827, 190015), (2135, 73603), (3115, 50447), (4135, 38003), (5429, 28945), (5789, 27145)]