726421725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{683}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 1356207840

約数和(自身を除く): 629786115

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 163, 225, 261, 435, 489, 683, 725, 815, 1305, 1467, 2049, 2175, 2445, 3415, 4075, 4727, 6147, 6525, 7335, 10245, 12225, 14181, 17075, 19807, 23635, 30735, 36675, 42543, 51225, 59421, 70905, 99035, 111329, 118175, 153675, 178263, 212715, 297105, 333987, 354525, 495175, 556645, 891315, 1001961, 1063575, 1485525, 1669935, 2783225, 3228541, 4456575, 5009805, 8349675, 9685623, 16142705, 25049025, 29056869, 48428115, 80713525, 145284345, 242140575, 726421725]

約数ペア:

[(1, 726421725), (3, 242140575), (5, 145284345), (9, 80713525), (15, 48428115), (25, 29056869), (29, 25049025), (45, 16142705), (75, 9685623), (87, 8349675), (145, 5009805), (163, 4456575), (225, 3228541), (261, 2783225), (435, 1669935), (489, 1485525), (683, 1063575), (725, 1001961), (815, 891315), (1305, 556645), (1467, 495175), (2049, 354525), (2175, 333987), (2445, 297105), (3415, 212715), (4075, 178263), (4727, 153675), (6147, 118175), (6525, 111329), (7335, 99035), (10245, 70905), (12225, 59421), (14181, 51225), (17075, 42543), (19807, 36675), (23635, 30735)]