27390645

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 22404555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 139, 145, 151, 261, 417, 435, 453, 695, 755, 1251, 1305, 1359, 2085, 2265, 4031, 4379, 6255, 6795, 12093, 13137, 20155, 20989, 21895, 36279, 39411, 60465, 62967, 65685, 104945, 181395, 188901, 197055, 314835, 608681, 944505, 1826043, 3043405, 5478129, 9130215, 27390645]

約数ペア:

[(1, 27390645), (3, 9130215), (5, 5478129), (9, 3043405), (15, 1826043), (29, 944505), (45, 608681), (87, 314835), (139, 197055), (145, 188901), (151, 181395), (261, 104945), (417, 65685), (435, 62967), (453, 60465), (695, 39411), (755, 36279), (1251, 21895), (1305, 20989), (1359, 20155), (2085, 13137), (2265, 12093), (4031, 6795), (4379, 6255)]