157280565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^2$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 278901504

約数和(自身を除く): 121620939

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 131, 141, 195, 235, 393, 611, 655, 705, 1703, 1833, 1965, 3055, 5109, 6157, 8515, 9165, 17161, 18471, 25545, 30785, 51483, 80041, 85805, 92355, 223093, 240123, 257415, 400205, 669279, 806567, 1115465, 1200615, 2419701, 3346395, 4032835, 10485371, 12098505, 31456113, 52426855, 157280565]

約数ペア:

[(1, 157280565), (3, 52426855), (5, 31456113), (13, 12098505), (15, 10485371), (39, 4032835), (47, 3346395), (65, 2419701), (131, 1200615), (141, 1115465), (195, 806567), (235, 669279), (393, 400205), (611, 257415), (655, 240123), (705, 223093), (1703, 92355), (1833, 85805), (1965, 80041), (3055, 51483), (5109, 30785), (6157, 25545), (8515, 18471), (9165, 17161)]