28937020119

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{16381}}^1$

素因数の和:16656

約数の個数: 48

約数和(自身を含む): 45852038496

約数和(自身を除く): 16915018377

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 197, 427, 591, 1281, 1379, 2989, 4137, 8967, 9653, 12017, 16381, 28959, 36051, 49143, 84119, 114667, 252357, 344001, 588833, 802669, 999241, 1766499, 2408007, 2997723, 3227057, 6994687, 9681171, 20984061, 22589399, 48962809, 67768197, 146888427, 158125793, 196850477, 474377379, 590551431, 1377953339, 4133860017, 9645673373, 28937020119]

約数ペア:

[(1, 28937020119), (3, 9645673373), (7, 4133860017), (21, 1377953339), (49, 590551431), (61, 474377379), (147, 196850477), (183, 158125793), (197, 146888427), (427, 67768197), (591, 48962809), (1281, 22589399), (1379, 20984061), (2989, 9681171), (4137, 6994687), (8967, 3227057), (9653, 2997723), (12017, 2408007), (16381, 1766499), (28959, 999241), (36051, 802669), (49143, 588833), (84119, 344001), (114667, 252357)]