203209215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 361181184

約数和(自身を除く): 157971969

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 121, 165, 309, 363, 515, 605, 1087, 1133, 1545, 1815, 3261, 3399, 5435, 5665, 11957, 12463, 16305, 16995, 35871, 37389, 59785, 62315, 111961, 131527, 179355, 186945, 335883, 394581, 559805, 657635, 1231571, 1679415, 1972905, 3694713, 6157855, 13547281, 18473565, 40641843, 67736405, 203209215]

約数ペア:

[(1, 203209215), (3, 67736405), (5, 40641843), (11, 18473565), (15, 13547281), (33, 6157855), (55, 3694713), (103, 1972905), (121, 1679415), (165, 1231571), (309, 657635), (363, 559805), (515, 394581), (605, 335883), (1087, 186945), (1133, 179355), (1545, 131527), (1815, 111961), (3261, 62315), (3399, 59785), (5435, 37389), (5665, 35871), (11957, 16995), (12463, 16305)]