1388295531

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1973}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 2545228224

約数和(自身を除く): 1156932693

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 73, 81, 119, 153, 189, 219, 357, 459, 511, 567, 657, 1071, 1241, 1377, 1533, 1971, 1973, 3213, 3723, 4599, 5913, 5919, 8687, 9639, 11169, 13797, 13811, 17757, 26061, 33507, 33541, 41391, 41433, 53271, 78183, 100521, 100623, 124299, 144029, 159813, 234549, 234787, 301869, 372897, 432087, 703647, 704361, 905607, 1008203, 1118691, 1296261, 2113083, 2448493, 2716821, 3024609, 3888783, 6339249, 7345479, 9073827, 11666349, 17139451, 19017747, 22036437, 27221481, 51418353, 66109311, 81664443, 154255059, 198327933, 462765177, 1388295531]

約数ペア:

[(1, 1388295531), (3, 462765177), (7, 198327933), (9, 154255059), (17, 81664443), (21, 66109311), (27, 51418353), (51, 27221481), (63, 22036437), (73, 19017747), (81, 17139451), (119, 11666349), (153, 9073827), (189, 7345479), (219, 6339249), (357, 3888783), (459, 3024609), (511, 2716821), (567, 2448493), (657, 2113083), (1071, 1296261), (1241, 1118691), (1377, 1008203), (1533, 905607), (1971, 704361), (1973, 703647), (3213, 432087), (3723, 372897), (4599, 301869), (5913, 234787), (5919, 234549), (8687, 159813), (9639, 144029), (11169, 124299), (13797, 100623), (13811, 100521), (17757, 78183), (26061, 53271), (33507, 41433), (33541, 41391)]