25072443

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 18473157

約数列:

[1, 3, 9, 11, 27, 29, 33, 41, 71, 87, 99, 123, 213, 261, 297, 319, 369, 451, 639, 781, 783, 957, 1107, 1189, 1353, 1917, 2059, 2343, 2871, 2911, 3567, 4059, 6177, 7029, 8613, 8733, 10701, 12177, 13079, 18531, 21087, 22649, 26199, 32021, 32103, 39237, 55593, 67947, 78597, 84419, 96063, 117711, 203841, 253257, 288189, 353133, 611523, 759771, 864567, 928609, 2279313, 2785827, 8357481, 25072443]

約数ペア:

[(1, 25072443), (3, 8357481), (9, 2785827), (11, 2279313), (27, 928609), (29, 864567), (33, 759771), (41, 611523), (71, 353133), (87, 288189), (99, 253257), (123, 203841), (213, 117711), (261, 96063), (297, 84419), (319, 78597), (369, 67947), (451, 55593), (639, 39237), (781, 32103), (783, 32021), (957, 26199), (1107, 22649), (1189, 21087), (1353, 18531), (1917, 13079), (2059, 12177), (2343, 10701), (2871, 8733), (2911, 8613), (3567, 7029), (4059, 6177)]