1813304025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21377}}^1$

素因数の和:21435

約数の個数: 72

約数和(自身を含む): 3618440280

約数和(自身を除く): 1805136255

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 261, 325, 377, 435, 585, 725, 975, 1131, 1305, 1885, 2175, 2925, 3393, 5655, 6525, 9425, 16965, 21377, 28275, 64131, 84825, 106885, 192393, 277901, 320655, 534425, 619933, 833703, 961965, 1389505, 1603275, 1859799, 2501109, 3099665, 4168515, 4809825, 5579397, 6947525, 8059129, 9298995, 12505545, 15498325, 20842575, 24177387, 27896985, 40295645, 46494975, 62527725, 72532161, 120886935, 139484925, 201478225, 362660805, 604434675, 1813304025]

約数ペア:

[(1, 1813304025), (3, 604434675), (5, 362660805), (9, 201478225), (13, 139484925), (15, 120886935), (25, 72532161), (29, 62527725), (39, 46494975), (45, 40295645), (65, 27896985), (75, 24177387), (87, 20842575), (117, 15498325), (145, 12505545), (195, 9298995), (225, 8059129), (261, 6947525), (325, 5579397), (377, 4809825), (435, 4168515), (585, 3099665), (725, 2501109), (975, 1859799), (1131, 1603275), (1305, 1389505), (1885, 961965), (2175, 833703), (2925, 619933), (3393, 534425), (5655, 320655), (6525, 277901), (9425, 192393), (16965, 106885), (21377, 84825), (28275, 64131)]