31057131

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5153}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 49354704

約数和(自身を除く): 18297573

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 5153, 6027, 15459, 36071, 108213, 211273, 252497, 633819, 757491, 1478911, 4436733, 10352377, 31057131]

約数ペア:

[(1, 31057131), (3, 10352377), (7, 4436733), (21, 1478911), (41, 757491), (49, 633819), (123, 252497), (147, 211273), (287, 108213), (861, 36071), (2009, 15459), (5153, 6027)]