161312355

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 293492160

約数和(自身を除く): 132179805

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 261, 355, 435, 639, 1065, 1305, 1741, 2059, 3195, 5223, 6177, 8705, 10295, 15669, 18531, 26115, 30885, 50489, 78345, 92655, 123611, 151467, 252445, 370833, 454401, 618055, 757335, 1112499, 1854165, 2272005, 3584719, 5562495, 10754157, 17923595, 32262471, 53770785, 161312355]

約数ペア:

[(1, 161312355), (3, 53770785), (5, 32262471), (9, 17923595), (15, 10754157), (29, 5562495), (45, 3584719), (71, 2272005), (87, 1854165), (145, 1112499), (213, 757335), (261, 618055), (355, 454401), (435, 370833), (639, 252445), (1065, 151467), (1305, 123611), (1741, 92655), (2059, 78345), (3195, 50489), (5223, 30885), (6177, 26115), (8705, 18531), (10295, 15669)]