15395705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 20956320

約数和(自身を除く): 5560615

約数列:

[1, 5, 13, 41, 53, 65, 109, 205, 265, 533, 545, 689, 1417, 2173, 2665, 3445, 4469, 5777, 7085, 10865, 22345, 28249, 28885, 58097, 75101, 141245, 236857, 290485, 375505, 1184285, 3079141, 15395705]

約数ペア:

[(1, 15395705), (5, 3079141), (13, 1184285), (41, 375505), (53, 290485), (65, 236857), (109, 141245), (205, 75101), (265, 58097), (533, 28885), (545, 28249), (689, 22345), (1417, 10865), (2173, 7085), (2665, 5777), (3445, 4469)]