211231443

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 304430400

約数和(自身を除く): 93198957

約数列:

[1, 3, 17, 51, 89, 173, 267, 269, 519, 807, 1513, 2941, 4539, 4573, 8823, 13719, 15397, 23941, 46191, 46537, 71823, 139611, 261749, 406997, 785247, 791129, 1220991, 2373387, 4141793, 12425379, 70410481, 211231443]

約数ペア:

[(1, 211231443), (3, 70410481), (17, 12425379), (51, 4141793), (89, 2373387), (173, 1220991), (267, 791129), (269, 785247), (519, 406997), (807, 261749), (1513, 139611), (2941, 71823), (4539, 46537), (4573, 46191), (8823, 23941), (13719, 15397)]