40787019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49801}}^1$

素因数の和:49827

約数の個数: 24

約数和(自身を含む): 72511712

約数和(自身を除く): 31724693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 49801, 149403, 348607, 448209, 647413, 1045821, 1942239, 3137463, 4531891, 5826717, 13595673, 40787019]

約数ペア:

[(1, 40787019), (3, 13595673), (7, 5826717), (9, 4531891), (13, 3137463), (21, 1942239), (39, 1045821), (63, 647413), (91, 448209), (117, 348607), (273, 149403), (819, 49801)]