27478815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 55544832

約数和(自身を除く): 28066017

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 65, 91, 105, 123, 195, 205, 273, 287, 455, 491, 533, 615, 861, 1365, 1435, 1473, 1599, 2455, 2665, 3437, 3731, 4305, 6383, 7365, 7995, 10311, 11193, 17185, 18655, 19149, 20131, 31915, 44681, 51555, 55965, 60393, 95745, 100655, 134043, 140917, 223405, 261703, 301965, 422751, 670215, 704585, 785109, 1308515, 1831921, 2113755, 3925545, 5495763, 9159605, 27478815]

約数ペア:

[(1, 27478815), (3, 9159605), (5, 5495763), (7, 3925545), (13, 2113755), (15, 1831921), (21, 1308515), (35, 785109), (39, 704585), (41, 670215), (65, 422751), (91, 301965), (105, 261703), (123, 223405), (195, 140917), (205, 134043), (273, 100655), (287, 95745), (455, 60393), (491, 55965), (533, 51555), (615, 44681), (861, 31915), (1365, 20131), (1435, 19149), (1473, 18655), (1599, 17185), (2455, 11193), (2665, 10311), (3437, 7995), (3731, 7365), (4305, 6383)]