209260897425

素因数分解:

$3^2\times 5^2\times {\mathrm{823}}^1\times {\mathrm{1019}}^1\times {\mathrm{1109}}^1$

素因数の和:2967

約数の個数: 72

約数和(自身を含む): 375971918400

約数和(自身を除く): 166711020975

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 823, 1019, 1109, 2469, 3057, 3327, 4115, 5095, 5545, 7407, 9171, 9981, 12345, 15285, 16635, 20575, 25475, 27725, 37035, 45855, 49905, 61725, 76425, 83175, 185175, 229275, 249525, 838637, 912707, 1130071, 2515911, 2738121, 3390213, 4193185, 4563535, 5650355, 7547733, 8214363, 10170639, 12579555, 13690605, 16951065, 20965925, 22817675, 28251775, 37738665, 41071815, 50853195, 62897775, 68453025, 84755325, 188693325, 205359075, 254265975, 930048433, 2790145299, 4650242165, 8370435897, 13950726495, 23251210825, 41852179485, 69753632475, 209260897425]

約数ペア:

[(1, 209260897425), (3, 69753632475), (5, 41852179485), (9, 23251210825), (15, 13950726495), (25, 8370435897), (45, 4650242165), (75, 2790145299), (225, 930048433), (823, 254265975), (1019, 205359075), (1109, 188693325), (2469, 84755325), (3057, 68453025), (3327, 62897775), (4115, 50853195), (5095, 41071815), (5545, 37738665), (7407, 28251775), (9171, 22817675), (9981, 20965925), (12345, 16951065), (15285, 13690605), (16635, 12579555), (20575, 10170639), (25475, 8214363), (27725, 7547733), (37035, 5650355), (45855, 4563535), (49905, 4193185), (61725, 3390213), (76425, 2738121), (83175, 2515911), (185175, 1130071), (229275, 912707), (249525, 838637)]