161803875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{1493}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 286202592

約数和(自身を除く): 124398717

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 289, 375, 425, 867, 1275, 1445, 1493, 2125, 4335, 4479, 6375, 7225, 7465, 21675, 22395, 25381, 36125, 37325, 76143, 108375, 111975, 126905, 186625, 380715, 431477, 559875, 634525, 1294431, 1903575, 2157385, 3172625, 6472155, 9517875, 10786925, 32360775, 53934625, 161803875]

約数ペア:

[(1, 161803875), (3, 53934625), (5, 32360775), (15, 10786925), (17, 9517875), (25, 6472155), (51, 3172625), (75, 2157385), (85, 1903575), (125, 1294431), (255, 634525), (289, 559875), (375, 431477), (425, 380715), (867, 186625), (1275, 126905), (1445, 111975), (1493, 108375), (2125, 76143), (4335, 37325), (4479, 36125), (6375, 25381), (7225, 22395), (7465, 21675)]