201243721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{8389}}^1$

素因数の和:8568

約数の個数: 16

約数和(自身を含む): 241632000

約数和(自身を除く): 40388279

約数列:

[1, 7, 23, 149, 161, 1043, 3427, 8389, 23989, 58723, 192947, 1249961, 1350629, 8749727, 28749103, 201243721]

約数ペア:

[(1, 201243721), (7, 28749103), (23, 8749727), (149, 1350629), (161, 1249961), (1043, 192947), (3427, 58723), (8389, 23989)]