27853965

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 51158016

約数和(自身を除く): 23304051

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 487, 615, 1271, 1395, 1461, 1845, 2435, 3813, 4383, 6355, 7305, 11439, 15097, 19065, 19967, 21915, 45291, 57195, 59901, 75485, 99835, 135873, 179703, 226455, 299505, 618977, 679365, 898515, 1856931, 3094885, 5570793, 9284655, 27853965]

約数ペア:

[(1, 27853965), (3, 9284655), (5, 5570793), (9, 3094885), (15, 1856931), (31, 898515), (41, 679365), (45, 618977), (93, 299505), (123, 226455), (155, 179703), (205, 135873), (279, 99835), (369, 75485), (465, 59901), (487, 57195), (615, 45291), (1271, 21915), (1395, 19967), (1461, 19065), (1845, 15097), (2435, 11439), (3813, 7305), (4383, 6355)]