127989393

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 198374400

約数和(自身を除く): 70385007

約数列:

[1, 3, 7, 21, 139, 163, 269, 417, 489, 807, 973, 1141, 1883, 2919, 3423, 5649, 22657, 37391, 43847, 67971, 112173, 131541, 158599, 261737, 306929, 475797, 785211, 920787, 6094733, 18284199, 42663131, 127989393]

約数ペア:

[(1, 127989393), (3, 42663131), (7, 18284199), (21, 6094733), (139, 920787), (163, 785211), (269, 475797), (417, 306929), (489, 261737), (807, 158599), (973, 131541), (1141, 112173), (1883, 67971), (2919, 43847), (3423, 37391), (5649, 22657)]