72440571

素因数分解:

$3^1\times 7^4\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 114953040

約数和(自身を除く): 42512469

約数列:

[1, 3, 7, 21, 49, 89, 113, 147, 267, 339, 343, 623, 791, 1029, 1869, 2373, 2401, 4361, 5537, 7203, 10057, 13083, 16611, 30171, 30527, 38759, 70399, 91581, 116277, 211197, 213689, 271313, 492793, 641067, 813939, 1478379, 3449551, 10348653, 24146857, 72440571]

約数ペア:

[(1, 72440571), (3, 24146857), (7, 10348653), (21, 3449551), (49, 1478379), (89, 813939), (113, 641067), (147, 492793), (267, 271313), (339, 213689), (343, 211197), (623, 116277), (791, 91581), (1029, 70399), (1869, 38759), (2373, 30527), (2401, 30171), (4361, 16611), (5537, 13083), (7203, 10057)]