31253475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 26492829

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 75, 129, 165, 215, 275, 473, 645, 825, 881, 1075, 1419, 2365, 2643, 3225, 4405, 7095, 9691, 11825, 13215, 22025, 29073, 35475, 37883, 48455, 66075, 113649, 145365, 189415, 242275, 416713, 568245, 726825, 947075, 1250139, 2083565, 2841225, 6250695, 10417825, 31253475]

約数ペア:

[(1, 31253475), (3, 10417825), (5, 6250695), (11, 2841225), (15, 2083565), (25, 1250139), (33, 947075), (43, 726825), (55, 568245), (75, 416713), (129, 242275), (165, 189415), (215, 145365), (275, 113649), (473, 66075), (645, 48455), (825, 37883), (881, 35475), (1075, 29073), (1419, 22025), (2365, 13215), (2643, 11825), (3225, 9691), (4405, 7095)]