394468425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7933}}^1$

素因数の和:7979

約数の個数: 72

約数和(自身を含む): 805745304

約数和(自身を除く): 411276879

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 663, 765, 975, 1105, 1275, 1989, 2925, 3315, 3825, 5525, 7933, 9945, 16575, 23799, 39665, 49725, 71397, 103129, 118995, 134861, 198325, 309387, 356985, 404583, 515645, 594975, 674305, 928161, 1213749, 1546935, 1753193, 1784925, 2022915, 2578225, 3371525, 4640805, 5259579, 6068745, 7734675, 8765965, 10114575, 15778737, 23204025, 26297895, 30343725, 43829825, 78893685, 131489475, 394468425]

約数ペア:

[(1, 394468425), (3, 131489475), (5, 78893685), (9, 43829825), (13, 30343725), (15, 26297895), (17, 23204025), (25, 15778737), (39, 10114575), (45, 8765965), (51, 7734675), (65, 6068745), (75, 5259579), (85, 4640805), (117, 3371525), (153, 2578225), (195, 2022915), (221, 1784925), (225, 1753193), (255, 1546935), (325, 1213749), (425, 928161), (585, 674305), (663, 594975), (765, 515645), (975, 404583), (1105, 356985), (1275, 309387), (1989, 198325), (2925, 134861), (3315, 118995), (3825, 103129), (5525, 71397), (7933, 49725), (9945, 39665), (16575, 23799)]