25945101

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 46824960

約数和(自身を除く): 20879859

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 401, 553, 711, 819, 1027, 1203, 1659, 2807, 3081, 3609, 4977, 5213, 7189, 8421, 9243, 15639, 21567, 25263, 31679, 36491, 46917, 64701, 95037, 109473, 221753, 285111, 328419, 411827, 665259, 1235481, 1995777, 2882789, 3706443, 8648367, 25945101]

約数ペア:

[(1, 25945101), (3, 8648367), (7, 3706443), (9, 2882789), (13, 1995777), (21, 1235481), (39, 665259), (63, 411827), (79, 328419), (91, 285111), (117, 221753), (237, 109473), (273, 95037), (401, 64701), (553, 46917), (711, 36491), (819, 31679), (1027, 25263), (1203, 21567), (1659, 15639), (2807, 9243), (3081, 8421), (3609, 7189), (4977, 5213)]