219912315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2300

約数の個数: 64

約数和(自身を含む): 430036992

約数和(自身を除く): 210124677

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 41, 69, 105, 115, 123, 161, 205, 287, 345, 483, 615, 805, 861, 943, 1435, 2221, 2415, 2829, 4305, 4715, 6601, 6663, 11105, 14145, 15547, 19803, 33005, 33315, 46641, 51083, 77735, 91061, 99015, 153249, 233205, 255415, 273183, 357581, 455305, 637427, 766245, 1072743, 1365915, 1787905, 1912281, 2094403, 3187135, 5363715, 6283209, 9561405, 10472015, 14660821, 31416045, 43982463, 73304105, 219912315]

約数ペア:

[(1, 219912315), (3, 73304105), (5, 43982463), (7, 31416045), (15, 14660821), (21, 10472015), (23, 9561405), (35, 6283209), (41, 5363715), (69, 3187135), (105, 2094403), (115, 1912281), (123, 1787905), (161, 1365915), (205, 1072743), (287, 766245), (345, 637427), (483, 455305), (615, 357581), (805, 273183), (861, 255415), (943, 233205), (1435, 153249), (2221, 99015), (2415, 91061), (2829, 77735), (4305, 51083), (4715, 46641), (6601, 33315), (6663, 33005), (11105, 19803), (14145, 15547)]