213924753

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 387072000

約数和(自身を除く): 173147247

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 139, 153, 189, 357, 417, 459, 479, 973, 1071, 1251, 1437, 2363, 2919, 3213, 3353, 3753, 4311, 7089, 8143, 8757, 10059, 12933, 16541, 21267, 24429, 26271, 30177, 49623, 57001, 63801, 66581, 73287, 90531, 148869, 171003, 199743, 219861, 446607, 466067, 513009, 599229, 1131877, 1398201, 1539027, 1797687, 3395631, 4194603, 7923139, 10186893, 12583809, 23769417, 30560679, 71308251, 213924753]

約数ペア:

[(1, 213924753), (3, 71308251), (7, 30560679), (9, 23769417), (17, 12583809), (21, 10186893), (27, 7923139), (51, 4194603), (63, 3395631), (119, 1797687), (139, 1539027), (153, 1398201), (189, 1131877), (357, 599229), (417, 513009), (459, 466067), (479, 446607), (973, 219861), (1071, 199743), (1251, 171003), (1437, 148869), (2363, 90531), (2919, 73287), (3213, 66581), (3353, 63801), (3753, 57001), (4311, 49623), (7089, 30177), (8143, 26271), (8757, 24429), (10059, 21267), (12933, 16541)]