25973541

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 56

約数和(自身を含む): 44069760

約数和(自身を除く): 18096219

約数列:

[1, 3, 9, 11, 27, 33, 41, 79, 81, 99, 123, 237, 243, 297, 369, 451, 711, 729, 869, 891, 1107, 1353, 2133, 2607, 2673, 3239, 3321, 4059, 6399, 7821, 8019, 9717, 9963, 12177, 19197, 23463, 29151, 29889, 35629, 36531, 57591, 70389, 87453, 106887, 109593, 211167, 262359, 320661, 328779, 633501, 787077, 961983, 2361231, 2885949, 8657847, 25973541]

約数ペア:

[(1, 25973541), (3, 8657847), (9, 2885949), (11, 2361231), (27, 961983), (33, 787077), (41, 633501), (79, 328779), (81, 320661), (99, 262359), (123, 211167), (237, 109593), (243, 106887), (297, 87453), (369, 70389), (451, 57591), (711, 36531), (729, 35629), (869, 29889), (891, 29151), (1107, 23463), (1353, 19197), (2133, 12177), (2607, 9963), (2673, 9717), (3239, 8019), (3321, 7821), (4059, 6399)]