1620654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 3787776

約数和(自身を除く): 2167122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 821, 987, 1642, 1974, 2463, 4926, 5747, 11494, 17241, 34482, 38587, 77174, 115761, 231522, 270109, 540218, 810327, 1620654]

約数ペア:

[(1, 1620654), (2, 810327), (3, 540218), (6, 270109), (7, 231522), (14, 115761), (21, 77174), (42, 38587), (47, 34482), (94, 17241), (141, 11494), (282, 5747), (329, 4926), (658, 2463), (821, 1974), (987, 1642)]