221880735

素因数分解:

$3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3229}}^1$

素因数の和:3752

約数の個数: 32

約数和(自身を含む): 395352000

約数和(自身を除く): 173471265

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 509, 1527, 2545, 3229, 4581, 7635, 9687, 13743, 16145, 22905, 29061, 48435, 68715, 87183, 145305, 435915, 1643561, 4930683, 8217805, 14792049, 24653415, 44376147, 73960245, 221880735]

約数ペア:

[(1, 221880735), (3, 73960245), (5, 44376147), (9, 24653415), (15, 14792049), (27, 8217805), (45, 4930683), (135, 1643561), (509, 435915), (1527, 145305), (2545, 87183), (3229, 68715), (4581, 48435), (7635, 29061), (9687, 22905), (13743, 16145)]