28369035

素因数分解:

$3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 52516464

約数和(自身を除く): 24147429

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 181, 215, 243, 387, 405, 543, 645, 729, 905, 1161, 1215, 1629, 1935, 2715, 3483, 3645, 4887, 5805, 7783, 8145, 10449, 14661, 17415, 23349, 24435, 31347, 38915, 43983, 52245, 70047, 73305, 116745, 131949, 156735, 210141, 219915, 350235, 630423, 659745, 1050705, 1891269, 3152115, 5673807, 9456345, 28369035]

約数ペア:

[(1, 28369035), (3, 9456345), (5, 5673807), (9, 3152115), (15, 1891269), (27, 1050705), (43, 659745), (45, 630423), (81, 350235), (129, 219915), (135, 210141), (181, 156735), (215, 131949), (243, 116745), (387, 73305), (405, 70047), (543, 52245), (645, 43983), (729, 38915), (905, 31347), (1161, 24435), (1215, 23349), (1629, 17415), (1935, 14661), (2715, 10449), (3483, 8145), (3645, 7783), (4887, 5805)]