25915691421

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1\times {\mathrm{769}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 40803840000

約数和(自身を除く): 14888148579

約数列:

[1, 3, 9, 19, 27, 57, 171, 179, 367, 513, 537, 769, 1101, 1611, 2307, 3303, 3401, 4833, 6921, 6973, 9909, 10203, 14611, 20763, 20919, 30609, 43833, 62757, 65693, 91827, 131499, 137651, 188271, 197079, 282223, 394497, 412953, 591237, 846669, 1238859, 1248167, 1773711, 2540007, 2615369, 3716577, 3744501, 5362237, 7620021, 7846107, 11233503, 16086711, 23538321, 33700509, 48260133, 50517917, 70614963, 144780399, 151553751, 454661253, 959840423, 1363983759, 2879521269, 8638563807, 25915691421]

約数ペア:

[(1, 25915691421), (3, 8638563807), (9, 2879521269), (19, 1363983759), (27, 959840423), (57, 454661253), (171, 151553751), (179, 144780399), (367, 70614963), (513, 50517917), (537, 48260133), (769, 33700509), (1101, 23538321), (1611, 16086711), (2307, 11233503), (3303, 7846107), (3401, 7620021), (4833, 5362237), (6921, 3744501), (6973, 3716577), (9909, 2615369), (10203, 2540007), (14611, 1773711), (20763, 1248167), (20919, 1238859), (30609, 846669), (43833, 591237), (62757, 412953), (65693, 394497), (91827, 282223), (131499, 197079), (137651, 188271)]