28983555

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 55624320

約数和(自身を除く): 26640765

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 135, 153, 173, 219, 255, 365, 459, 519, 657, 765, 865, 1095, 1241, 1557, 1971, 2295, 2595, 2941, 3285, 3723, 4671, 6205, 7785, 8823, 9855, 11169, 12629, 14705, 18615, 23355, 26469, 33507, 37887, 44115, 55845, 63145, 79407, 113661, 132345, 167535, 189435, 214693, 340983, 397035, 568305, 644079, 1073465, 1704915, 1932237, 3220395, 5796711, 9661185, 28983555]

約数ペア:

[(1, 28983555), (3, 9661185), (5, 5796711), (9, 3220395), (15, 1932237), (17, 1704915), (27, 1073465), (45, 644079), (51, 568305), (73, 397035), (85, 340983), (135, 214693), (153, 189435), (173, 167535), (219, 132345), (255, 113661), (365, 79407), (459, 63145), (519, 55845), (657, 44115), (765, 37887), (865, 33507), (1095, 26469), (1241, 23355), (1557, 18615), (1971, 14705), (2295, 12629), (2595, 11169), (2941, 9855), (3285, 8823), (3723, 7785), (4671, 6205)]