25554753

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 45685120

約数和(自身を除く): 20130367

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 577, 703, 777, 1197, 1731, 2109, 2331, 4039, 4921, 5193, 6327, 10963, 12117, 14763, 21349, 32889, 36351, 44289, 64047, 76741, 98667, 149443, 192141, 230223, 405631, 448329, 690669, 1216893, 1344987, 2839417, 3650679, 8518251, 25554753]

約数ペア:

[(1, 25554753), (3, 8518251), (7, 3650679), (9, 2839417), (19, 1344987), (21, 1216893), (37, 690669), (57, 448329), (63, 405631), (111, 230223), (133, 192141), (171, 149443), (259, 98667), (333, 76741), (399, 64047), (577, 44289), (703, 36351), (777, 32889), (1197, 21349), (1731, 14763), (2109, 12117), (2331, 10963), (4039, 6327), (4921, 5193)]