243195575

素因数分解:

$5^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 357120000

約数和(自身を除く): 113924425

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 245, 343, 359, 395, 553, 1225, 1715, 1795, 1975, 2513, 2765, 3871, 8575, 8975, 12565, 13825, 17591, 19355, 27097, 28361, 62825, 87955, 96775, 123137, 135485, 141805, 198527, 439775, 615685, 677425, 709025, 992635, 1389689, 3078425, 4963175, 6948445, 9727823, 34742225, 48639115, 243195575]

約数ペア:

[(1, 243195575), (5, 48639115), (7, 34742225), (25, 9727823), (35, 6948445), (49, 4963175), (79, 3078425), (175, 1389689), (245, 992635), (343, 709025), (359, 677425), (395, 615685), (553, 439775), (1225, 198527), (1715, 141805), (1795, 135485), (1975, 123137), (2513, 96775), (2765, 87955), (3871, 62825), (8575, 28361), (8975, 27097), (12565, 19355), (13825, 17591)]