128341725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 226271232

約数和(自身を除く): 97929507

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 575, 705, 1081, 1175, 1583, 1725, 3243, 3525, 4749, 5405, 7915, 16215, 23745, 27025, 36409, 39575, 74401, 81075, 109227, 118725, 182045, 223203, 372005, 546135, 910225, 1116015, 1711223, 1860025, 2730675, 5133669, 5580075, 8556115, 25668345, 42780575, 128341725]

約数ペア:

[(1, 128341725), (3, 42780575), (5, 25668345), (15, 8556115), (23, 5580075), (25, 5133669), (47, 2730675), (69, 1860025), (75, 1711223), (115, 1116015), (141, 910225), (235, 546135), (345, 372005), (575, 223203), (705, 182045), (1081, 118725), (1175, 109227), (1583, 81075), (1725, 74401), (3243, 39575), (3525, 36409), (4749, 27025), (5405, 23745), (7915, 16215)]