71289183

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 111283200

約数和(自身を除く): 39994017

約数列:

[1, 3, 7, 21, 71, 137, 213, 349, 411, 497, 959, 1047, 1491, 2443, 2877, 7329, 9727, 24779, 29181, 47813, 68089, 74337, 143439, 173453, 204267, 334691, 520359, 1004073, 3394723, 10184169, 23763061, 71289183]

約数ペア:

[(1, 71289183), (3, 23763061), (7, 10184169), (21, 3394723), (71, 1004073), (137, 520359), (213, 334691), (349, 204267), (411, 173453), (497, 143439), (959, 74337), (1047, 68089), (1491, 47813), (2443, 29181), (2877, 24779), (7329, 9727)]