25349805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 50122800

約数和(自身を除く): 24772995

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2549, 3315, 7647, 9945, 12745, 22941, 33137, 38235, 43333, 99411, 114705, 129999, 165685, 216665, 298233, 389997, 497055, 563329, 649995, 1491165, 1689987, 1949985, 2816645, 5069961, 8449935, 25349805]

約数ペア:

[(1, 25349805), (3, 8449935), (5, 5069961), (9, 2816645), (13, 1949985), (15, 1689987), (17, 1491165), (39, 649995), (45, 563329), (51, 497055), (65, 389997), (85, 298233), (117, 216665), (153, 165685), (195, 129999), (221, 114705), (255, 99411), (585, 43333), (663, 38235), (765, 33137), (1105, 22941), (1989, 12745), (2549, 9945), (3315, 7647)]