72738561

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{24919}}^1$

素因数の和:25068

約数の個数: 16

約数和(自身を含む): 111641600

約数和(自身を除く): 38903039

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 24919, 74757, 174433, 523299, 3463741, 10391223, 24246187, 72738561]

約数ペア:

[(1, 72738561), (3, 24246187), (7, 10391223), (21, 3463741), (139, 523299), (417, 174433), (973, 74757), (2919, 24919)]