177972015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6967}}^1$

素因数の和:7119

約数の個数: 32

約数和(自身を含む): 309044736

約数和(自身を除く): 131072721

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 6967, 8515, 20901, 25545, 34835, 90571, 104505, 271713, 452855, 912677, 1358565, 2738031, 4563385, 11864801, 13690155, 35594403, 59324005, 177972015]

約数ペア:

[(1, 177972015), (3, 59324005), (5, 35594403), (13, 13690155), (15, 11864801), (39, 4563385), (65, 2738031), (131, 1358565), (195, 912677), (393, 452855), (655, 271713), (1703, 104505), (1965, 90571), (5109, 34835), (6967, 25545), (8515, 20901)]