72418215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{14947}}^1$

素因数の和:14991

約数の個数: 32

約数和(自身を含む): 129150720

約数和(自身を除く): 56732505

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 14947, 44841, 74735, 224205, 254099, 283993, 762297, 851979, 1270495, 1419965, 3811485, 4259895, 4827881, 14483643, 24139405, 72418215]

約数ペア:

[(1, 72418215), (3, 24139405), (5, 14483643), (15, 4827881), (17, 4259895), (19, 3811485), (51, 1419965), (57, 1270495), (85, 851979), (95, 762297), (255, 283993), (285, 254099), (323, 224205), (969, 74735), (1615, 44841), (4845, 14947)]