208041015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21773}}^1$

素因数の和:21808

約数の個数: 48

約数和(自身を含む): 417015648

約数和(自身を除く): 208974633

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 3185, 9555, 21773, 65319, 108865, 152411, 283049, 326595, 457233, 762055, 849147, 1066877, 1415245, 1981343, 2286165, 3200631, 4245735, 5334385, 5944029, 9906715, 13869401, 16003155, 29720145, 41608203, 69347005, 208041015]

約数ペア:

[(1, 208041015), (3, 69347005), (5, 41608203), (7, 29720145), (13, 16003155), (15, 13869401), (21, 9906715), (35, 5944029), (39, 5334385), (49, 4245735), (65, 3200631), (91, 2286165), (105, 1981343), (147, 1415245), (195, 1066877), (245, 849147), (273, 762055), (455, 457233), (637, 326595), (735, 283049), (1365, 152411), (1911, 108865), (3185, 65319), (9555, 21773)]