38852865

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 75132288

約数和(自身を除く): 36279423

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 81, 97, 115, 129, 135, 207, 215, 291, 345, 387, 405, 485, 621, 645, 873, 989, 1035, 1161, 1455, 1863, 1935, 2231, 2619, 2967, 3105, 3483, 4171, 4365, 4945, 5805, 6693, 7857, 8901, 9315, 11155, 12513, 13095, 14835, 17415, 20079, 20855, 26703, 33465, 37539, 39285, 44505, 60237, 62565, 80109, 95933, 100395, 112617, 133515, 180711, 187695, 287799, 301185, 337851, 400545, 479665, 563085, 863397, 903555, 1438995, 1689255, 2590191, 4316985, 7770573, 12950955, 38852865]

約数ペア:

[(1, 38852865), (3, 12950955), (5, 7770573), (9, 4316985), (15, 2590191), (23, 1689255), (27, 1438995), (43, 903555), (45, 863397), (69, 563085), (81, 479665), (97, 400545), (115, 337851), (129, 301185), (135, 287799), (207, 187695), (215, 180711), (291, 133515), (345, 112617), (387, 100395), (405, 95933), (485, 80109), (621, 62565), (645, 60237), (873, 44505), (989, 39285), (1035, 37539), (1161, 33465), (1455, 26703), (1863, 20855), (1935, 20079), (2231, 17415), (2619, 14835), (2967, 13095), (3105, 12513), (3483, 11155), (4171, 9315), (4365, 8901), (4945, 7857), (5805, 6693)]