254204145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25561}}^1$

素因数の和:25602

約数の個数: 48

約数和(自身を含む): 502446672

約数和(自身を除く): 248242527

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, 3315, 9945, 25561, 76683, 127805, 230049, 332293, 383415, 434537, 996879, 1150245, 1303611, 1661465, 2172685, 2990637, 3910833, 4984395, 5648981, 6518055, 14953185, 16946943, 19554165, 28244905, 50840829, 84734715, 254204145]

約数ペア:

[(1, 254204145), (3, 84734715), (5, 50840829), (9, 28244905), (13, 19554165), (15, 16946943), (17, 14953185), (39, 6518055), (45, 5648981), (51, 4984395), (65, 3910833), (85, 2990637), (117, 2172685), (153, 1661465), (195, 1303611), (221, 1150245), (255, 996879), (585, 434537), (663, 383415), (765, 332293), (1105, 230049), (1989, 127805), (3315, 76683), (9945, 25561)]