26945289

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 20753271

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 181, 357, 417, 543, 973, 1071, 1251, 1267, 1629, 2363, 2919, 3077, 3801, 7089, 8757, 9231, 11403, 16541, 21267, 21539, 25159, 27693, 49623, 64617, 75477, 148869, 176113, 193851, 226431, 427703, 528339, 1283109, 1585017, 2993921, 3849327, 8981763, 26945289]

約数ペア:

[(1, 26945289), (3, 8981763), (7, 3849327), (9, 2993921), (17, 1585017), (21, 1283109), (51, 528339), (63, 427703), (119, 226431), (139, 193851), (153, 176113), (181, 148869), (357, 75477), (417, 64617), (543, 49623), (973, 27693), (1071, 25159), (1251, 21539), (1267, 21267), (1629, 16541), (2363, 11403), (2919, 9231), (3077, 8757), (3801, 7089)]