81740183

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 106868160

約数和(自身を除く): 25127977

約数列:

[1, 7, 23, 29, 41, 49, 61, 161, 203, 287, 427, 667, 943, 1127, 1189, 1403, 1421, 1769, 2009, 2501, 2989, 4669, 6601, 8323, 9821, 12383, 17507, 27347, 32683, 40687, 46207, 57523, 58261, 68747, 72529, 86681, 122549, 191429, 284809, 402661, 507703, 1340003, 1668167, 1993663, 2818627, 3553921, 11677169, 81740183]

約数ペア:

[(1, 81740183), (7, 11677169), (23, 3553921), (29, 2818627), (41, 1993663), (49, 1668167), (61, 1340003), (161, 507703), (203, 402661), (287, 284809), (427, 191429), (667, 122549), (943, 86681), (1127, 72529), (1189, 68747), (1403, 58261), (1421, 57523), (1769, 46207), (2009, 40687), (2501, 32683), (2989, 27347), (4669, 17507), (6601, 12383), (8323, 9821)]