126947015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^2$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 170024064

約数和(自身を除く): 43077049

約数列:

[1, 5, 13, 31, 65, 155, 251, 403, 1255, 2015, 3263, 7781, 16315, 38905, 63001, 101153, 315005, 505765, 819013, 1953031, 4095065, 9765155, 25389403, 126947015]

約数ペア:

[(1, 126947015), (5, 25389403), (13, 9765155), (31, 4095065), (65, 1953031), (155, 819013), (251, 505765), (403, 315005), (1255, 101153), (2015, 63001), (3263, 38905), (7781, 16315)]