27909210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 76972032

約数和(自身を除く): 49062822

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 347, 383, 694, 766, 1041, 1149, 1735, 1915, 2082, 2298, 2429, 2681, 3470, 3830, 4858, 5205, 5362, 5745, 7287, 8043, 10410, 11490, 12145, 13405, 14574, 16086, 24290, 26810, 36435, 40215, 72870, 80430, 132901, 265802, 398703, 664505, 797406, 930307, 1329010, 1860614, 1993515, 2790921, 3987030, 4651535, 5581842, 9303070, 13954605, 27909210]

約数ペア:

[(1, 27909210), (2, 13954605), (3, 9303070), (5, 5581842), (6, 4651535), (7, 3987030), (10, 2790921), (14, 1993515), (15, 1860614), (21, 1329010), (30, 930307), (35, 797406), (42, 664505), (70, 398703), (105, 265802), (210, 132901), (347, 80430), (383, 72870), (694, 40215), (766, 36435), (1041, 26810), (1149, 24290), (1735, 16086), (1915, 14574), (2082, 13405), (2298, 12145), (2429, 11490), (2681, 10410), (3470, 8043), (3830, 7287), (4858, 5745), (5205, 5362)]