75180555

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 63197685

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 645, 1161, 1215, 1439, 1935, 3483, 4317, 5805, 7195, 10449, 12951, 17415, 21585, 38853, 52245, 61877, 64755, 116559, 185631, 194265, 309385, 349677, 556893, 582795, 928155, 1670679, 1748385, 2784465, 5012037, 8353395, 15036111, 25060185, 75180555]

約数ペア:

[(1, 75180555), (3, 25060185), (5, 15036111), (9, 8353395), (15, 5012037), (27, 2784465), (43, 1748385), (45, 1670679), (81, 928155), (129, 582795), (135, 556893), (215, 349677), (243, 309385), (387, 194265), (405, 185631), (645, 116559), (1161, 64755), (1215, 61877), (1439, 52245), (1935, 38853), (3483, 21585), (4317, 17415), (5805, 12951), (7195, 10449)]