202121271

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 349286400

約数和(自身を除く): 147165129

約数列:

[1, 3, 9, 11, 27, 29, 31, 33, 87, 93, 99, 261, 279, 297, 319, 341, 757, 783, 837, 899, 957, 1023, 2271, 2697, 2871, 3069, 6813, 8091, 8327, 8613, 9207, 9889, 20439, 21953, 23467, 24273, 24981, 29667, 65859, 70401, 74943, 89001, 197577, 211203, 224829, 241483, 258137, 267003, 592731, 633609, 680543, 724449, 774411, 2041629, 2173347, 2323233, 6124887, 6520041, 6969699, 7485973, 18374661, 22457919, 67373757, 202121271]

約数ペア:

[(1, 202121271), (3, 67373757), (9, 22457919), (11, 18374661), (27, 7485973), (29, 6969699), (31, 6520041), (33, 6124887), (87, 2323233), (93, 2173347), (99, 2041629), (261, 774411), (279, 724449), (297, 680543), (319, 633609), (341, 592731), (757, 267003), (783, 258137), (837, 241483), (899, 224829), (957, 211203), (1023, 197577), (2271, 89001), (2697, 74943), (2871, 70401), (3069, 65859), (6813, 29667), (8091, 24981), (8327, 24273), (8613, 23467), (9207, 21953), (9889, 20439)]