3999645

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 7983360

約数和(自身を除く): 3983715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 53, 65, 117, 129, 135, 159, 195, 215, 265, 351, 387, 477, 559, 585, 645, 689, 795, 1161, 1431, 1677, 1755, 1935, 2067, 2279, 2385, 2795, 3445, 5031, 5805, 6201, 6837, 7155, 8385, 10335, 11395, 15093, 18603, 20511, 25155, 29627, 31005, 34185, 61533, 75465, 88881, 93015, 102555, 148135, 266643, 307665, 444405, 799929, 1333215, 3999645]

約数ペア:

[(1, 3999645), (3, 1333215), (5, 799929), (9, 444405), (13, 307665), (15, 266643), (27, 148135), (39, 102555), (43, 93015), (45, 88881), (53, 75465), (65, 61533), (117, 34185), (129, 31005), (135, 29627), (159, 25155), (195, 20511), (215, 18603), (265, 15093), (351, 11395), (387, 10335), (477, 8385), (559, 7155), (585, 6837), (645, 6201), (689, 5805), (795, 5031), (1161, 3445), (1431, 2795), (1677, 2385), (1755, 2279), (1935, 2067)]