15679575

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 30466800

約数和(自身を除く): 14787225

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 89, 135, 145, 225, 243, 261, 267, 405, 435, 445, 675, 725, 783, 801, 1215, 1305, 1335, 2025, 2175, 2225, 2349, 2403, 2581, 3915, 4005, 6075, 6525, 6675, 7047, 7209, 7743, 11745, 12015, 12905, 19575, 20025, 21627, 23229, 35235, 36045, 38715, 58725, 60075, 64525, 69687, 108135, 116145, 176175, 180225, 193575, 209061, 348435, 540675, 580725, 627183, 1045305, 1742175, 3135915, 5226525, 15679575]

約数ペア:

[(1, 15679575), (3, 5226525), (5, 3135915), (9, 1742175), (15, 1045305), (25, 627183), (27, 580725), (29, 540675), (45, 348435), (75, 209061), (81, 193575), (87, 180225), (89, 176175), (135, 116145), (145, 108135), (225, 69687), (243, 64525), (261, 60075), (267, 58725), (405, 38715), (435, 36045), (445, 35235), (675, 23229), (725, 21627), (783, 20025), (801, 19575), (1215, 12905), (1305, 12015), (1335, 11745), (2025, 7743), (2175, 7209), (2225, 7047), (2349, 6675), (2403, 6525), (2581, 6075), (3915, 4005)]