201949965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20730

約数の個数: 48

約数和(自身を含む): 412978176

約数和(自身を除く): 211028211

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 20681, 62043, 103405, 144767, 186129, 310215, 434301, 641111, 723835, 930645, 1302903, 1923333, 2171505, 3205555, 4487777, 5769999, 6514515, 9616665, 13463331, 22438885, 28849995, 40389993, 67316655, 201949965]

約数ペア:

[(1, 201949965), (3, 67316655), (5, 40389993), (7, 28849995), (9, 22438885), (15, 13463331), (21, 9616665), (31, 6514515), (35, 5769999), (45, 4487777), (63, 3205555), (93, 2171505), (105, 1923333), (155, 1302903), (217, 930645), (279, 723835), (315, 641111), (465, 434301), (651, 310215), (1085, 186129), (1395, 144767), (1953, 103405), (3255, 62043), (9765, 20681)]