207423747

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 322779600

約数和(自身を除く): 115355853

約数列:

[1, 3, 9, 27, 29, 81, 87, 227, 261, 389, 681, 783, 1167, 2043, 2349, 3501, 6129, 6583, 10503, 11281, 18387, 19749, 31509, 33843, 59247, 88303, 101529, 177741, 264909, 304587, 533223, 794727, 913761, 2384181, 2560787, 7152543, 7682361, 23047083, 69141249, 207423747]

約数ペア:

[(1, 207423747), (3, 69141249), (9, 23047083), (27, 7682361), (29, 7152543), (81, 2560787), (87, 2384181), (227, 913761), (261, 794727), (389, 533223), (681, 304587), (783, 264909), (1167, 177741), (2043, 101529), (2349, 88303), (3501, 59247), (6129, 33843), (6583, 31509), (10503, 19749), (11281, 18387)]