42189315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 80510976

約数和(自身を除く): 38321661

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 83, 103, 105, 141, 235, 249, 309, 329, 415, 515, 581, 705, 721, 987, 1245, 1545, 1645, 1743, 2163, 2905, 3605, 3901, 4841, 4935, 8549, 8715, 10815, 11703, 14523, 19505, 24205, 25647, 27307, 33887, 42745, 58515, 59843, 72615, 81921, 101661, 128235, 136535, 169435, 179529, 299215, 401803, 409605, 508305, 897645, 1205409, 2009015, 2812621, 6027045, 8437863, 14063105, 42189315]

約数ペア:

[(1, 42189315), (3, 14063105), (5, 8437863), (7, 6027045), (15, 2812621), (21, 2009015), (35, 1205409), (47, 897645), (83, 508305), (103, 409605), (105, 401803), (141, 299215), (235, 179529), (249, 169435), (309, 136535), (329, 128235), (415, 101661), (515, 81921), (581, 72615), (705, 59843), (721, 58515), (987, 42745), (1245, 33887), (1545, 27307), (1645, 25647), (1743, 24205), (2163, 19505), (2905, 14523), (3605, 11703), (3901, 10815), (4841, 8715), (4935, 8549)]