39990465

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 72483840

約数和(自身を除く): 32493375

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 109, 155, 263, 279, 327, 465, 545, 789, 981, 1315, 1395, 1635, 2367, 3379, 3945, 4905, 8153, 10137, 11835, 16895, 24459, 28667, 30411, 40765, 50685, 73377, 86001, 122295, 143335, 152055, 258003, 366885, 430005, 888677, 1290015, 2666031, 4443385, 7998093, 13330155, 39990465]

約数ペア:

[(1, 39990465), (3, 13330155), (5, 7998093), (9, 4443385), (15, 2666031), (31, 1290015), (45, 888677), (93, 430005), (109, 366885), (155, 258003), (263, 152055), (279, 143335), (327, 122295), (465, 86001), (545, 73377), (789, 50685), (981, 40765), (1315, 30411), (1395, 28667), (1635, 24459), (2367, 16895), (3379, 11835), (3945, 10137), (4905, 8153)]