2212455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 4262400

約数和(自身を除く): 2049945

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1109, 1995, 3327, 5545, 7763, 16635, 21071, 23289, 38815, 63213, 105355, 116445, 147497, 316065, 442491, 737485, 2212455]

約数ペア:

[(1, 2212455), (3, 737485), (5, 442491), (7, 316065), (15, 147497), (19, 116445), (21, 105355), (35, 63213), (57, 38815), (95, 23289), (105, 21071), (133, 16635), (285, 7763), (399, 5545), (665, 3327), (1109, 1995)]