205778685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1879}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 385776000

約数和(自身を除く): 179997315

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 245, 447, 735, 745, 1043, 1879, 2235, 3129, 5215, 5637, 7301, 9395, 13153, 15645, 21903, 28185, 36505, 39459, 65765, 92071, 109515, 197295, 276213, 279971, 460355, 839913, 1381065, 1399855, 1959797, 4199565, 5879391, 9798985, 13718579, 29396955, 41155737, 68592895, 205778685]

約数ペア:

[(1, 205778685), (3, 68592895), (5, 41155737), (7, 29396955), (15, 13718579), (21, 9798985), (35, 5879391), (49, 4199565), (105, 1959797), (147, 1399855), (149, 1381065), (245, 839913), (447, 460355), (735, 279971), (745, 276213), (1043, 197295), (1879, 109515), (2235, 92071), (3129, 65765), (5215, 39459), (5637, 36505), (7301, 28185), (9395, 21903), (13153, 15645)]