81353805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5281}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 141980160

約数和(自身を除く): 60626355

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 3081, 5135, 5281, 15405, 15843, 26405, 68653, 79215, 205959, 343265, 417199, 1029795, 1251597, 2085995, 5423587, 6257985, 16270761, 27117935, 81353805]

約数ペア:

[(1, 81353805), (3, 27117935), (5, 16270761), (13, 6257985), (15, 5423587), (39, 2085995), (65, 1251597), (79, 1029795), (195, 417199), (237, 343265), (395, 205959), (1027, 79215), (1185, 68653), (3081, 26405), (5135, 15843), (5281, 15405)]