156514215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 296980992

約数和(自身を除く): 140466777

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 131, 143, 165, 195, 393, 429, 557, 655, 715, 1441, 1671, 1703, 1965, 2145, 2785, 4323, 5109, 6127, 7205, 7241, 8355, 8515, 18381, 18733, 21615, 21723, 25545, 30635, 36205, 56199, 72967, 79651, 91905, 93665, 108615, 218901, 238953, 280995, 364835, 398255, 802637, 948571, 1094505, 1194765, 2407911, 2845713, 4013185, 4742855, 10434281, 12039555, 14228565, 31302843, 52171405, 156514215]

約数ペア:

[(1, 156514215), (3, 52171405), (5, 31302843), (11, 14228565), (13, 12039555), (15, 10434281), (33, 4742855), (39, 4013185), (55, 2845713), (65, 2407911), (131, 1194765), (143, 1094505), (165, 948571), (195, 802637), (393, 398255), (429, 364835), (557, 280995), (655, 238953), (715, 218901), (1441, 108615), (1671, 93665), (1703, 91905), (1965, 79651), (2145, 72967), (2785, 56199), (4323, 36205), (5109, 30635), (6127, 25545), (7205, 21723), (7241, 21615), (8355, 18733), (8515, 18381)]