71542296973

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{2760013}}^1$

素因数の和:2760073

約数の個数: 18

約数和(自身を含む): 86998401294

約数和(自身を除く): 15456104321

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 25921, 2760013, 19320091, 63480299, 135240637, 444362093, 1460046877, 3110534651, 10220328139, 71542296973]

約数ペア:

[(1, 71542296973), (7, 10220328139), (23, 3110534651), (49, 1460046877), (161, 444362093), (529, 135240637), (1127, 63480299), (3703, 19320091), (25921, 2760013)]