7991529

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 13327104

約数和(自身を除く): 5335575

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 401, 511, 949, 1203, 1533, 2807, 2847, 5213, 6643, 8421, 15639, 19929, 29273, 36491, 87819, 109473, 204911, 380549, 614733, 1141647, 2663843, 7991529]

約数ペア:

[(1, 7991529), (3, 2663843), (7, 1141647), (13, 614733), (21, 380549), (39, 204911), (73, 109473), (91, 87819), (219, 36491), (273, 29273), (401, 19929), (511, 15639), (949, 8421), (1203, 6643), (1533, 5213), (2807, 2847)]