155121407

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:157

約数の個数: 30

約数和(自身を含む): 192462312

約数和(自身を除く): 37340905

約数列:

[1, 7, 23, 49, 53, 161, 343, 371, 1127, 1219, 2401, 2597, 2809, 7889, 8533, 18179, 19663, 55223, 59731, 64607, 127253, 137641, 418117, 452249, 963487, 2926819, 3165743, 6744409, 22160201, 155121407]

約数ペア:

[(1, 155121407), (7, 22160201), (23, 6744409), (49, 3165743), (53, 2926819), (161, 963487), (343, 452249), (371, 418117), (1127, 137641), (1219, 127253), (2401, 64607), (2597, 59731), (2809, 55223), (7889, 19663), (8533, 18179)]