25817805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 50641920

約数和(自身を除く): 24824115

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 235, 313, 351, 423, 585, 611, 705, 939, 1269, 1565, 1755, 1833, 2115, 2817, 3055, 4069, 4695, 5499, 6345, 8451, 9165, 12207, 14085, 14711, 16497, 20345, 27495, 36621, 42255, 44133, 61035, 73555, 82485, 109863, 132399, 183105, 191243, 220665, 397197, 549315, 573729, 661995, 956215, 1721187, 1985985, 2868645, 5163561, 8605935, 25817805]

約数ペア:

[(1, 25817805), (3, 8605935), (5, 5163561), (9, 2868645), (13, 1985985), (15, 1721187), (27, 956215), (39, 661995), (45, 573729), (47, 549315), (65, 397197), (117, 220665), (135, 191243), (141, 183105), (195, 132399), (235, 109863), (313, 82485), (351, 73555), (423, 61035), (585, 44133), (611, 42255), (705, 36621), (939, 27495), (1269, 20345), (1565, 16497), (1755, 14711), (1833, 14085), (2115, 12207), (2817, 9165), (3055, 8451), (4069, 6345), (4695, 5499)]