7220187

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 11647584

約数和(自身を除く): 4427397

約数列:

[1, 3, 9, 13, 39, 47, 101, 117, 141, 169, 303, 423, 507, 611, 909, 1313, 1521, 1833, 3939, 4747, 5499, 7943, 11817, 14241, 17069, 23829, 42723, 51207, 61711, 71487, 153621, 185133, 555399, 802243, 2406729, 7220187]

約数ペア:

[(1, 7220187), (3, 2406729), (9, 802243), (13, 555399), (39, 185133), (47, 153621), (101, 71487), (117, 61711), (141, 51207), (169, 42723), (303, 23829), (423, 17069), (507, 14241), (611, 11817), (909, 7943), (1313, 5499), (1521, 4747), (1833, 3939)]