1648215

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 3038400

約数和(自身を除く): 1390185

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 421, 435, 783, 1263, 1305, 2105, 3789, 3915, 6315, 11367, 12209, 18945, 36627, 56835, 61045, 109881, 183135, 329643, 549405, 1648215]

約数ペア:

[(1, 1648215), (3, 549405), (5, 329643), (9, 183135), (15, 109881), (27, 61045), (29, 56835), (45, 36627), (87, 18945), (135, 12209), (145, 11367), (261, 6315), (421, 3915), (435, 3789), (783, 2105), (1263, 1305)]