254756475

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^2$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 498874320

約数和(自身を除く): 244117845

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 149, 153, 225, 255, 425, 447, 459, 675, 745, 765, 1275, 1341, 2235, 2295, 2533, 3725, 3825, 4023, 6705, 7599, 11175, 11475, 12665, 20115, 22201, 22797, 33525, 37995, 63325, 66603, 68391, 100575, 111005, 113985, 189975, 199809, 333015, 341955, 377417, 555025, 569925, 599427, 999045, 1132251, 1665075, 1709775, 1887085, 2997135, 3396753, 4995225, 5661255, 9435425, 10190259, 14985675, 16983765, 28306275, 50951295, 84918825, 254756475]

約数ペア:

[(1, 254756475), (3, 84918825), (5, 50951295), (9, 28306275), (15, 16983765), (17, 14985675), (25, 10190259), (27, 9435425), (45, 5661255), (51, 4995225), (75, 3396753), (85, 2997135), (135, 1887085), (149, 1709775), (153, 1665075), (225, 1132251), (255, 999045), (425, 599427), (447, 569925), (459, 555025), (675, 377417), (745, 341955), (765, 333015), (1275, 199809), (1341, 189975), (2235, 113985), (2295, 111005), (2533, 100575), (3725, 68391), (3825, 66603), (4023, 63325), (6705, 37995), (7599, 33525), (11175, 22797), (11475, 22201), (12665, 20115)]