28663875

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 56628000

約数和(自身を除く): 27964125

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 149, 171, 225, 285, 375, 405, 447, 475, 513, 675, 745, 855, 1125, 1341, 1425, 1539, 2025, 2235, 2375, 2565, 2831, 3375, 3725, 4023, 4275, 6705, 7125, 7695, 8493, 10125, 11175, 12069, 12825, 14155, 18625, 20115, 21375, 25479, 33525, 38475, 42465, 55875, 60345, 64125, 70775, 76437, 100575, 127395, 167625, 192375, 212325, 229311, 301725, 353875, 382185, 502875, 636975, 1061625, 1146555, 1508625, 1910925, 3184875, 5732775, 9554625, 28663875]

約数ペア:

[(1, 28663875), (3, 9554625), (5, 5732775), (9, 3184875), (15, 1910925), (19, 1508625), (25, 1146555), (27, 1061625), (45, 636975), (57, 502875), (75, 382185), (81, 353875), (95, 301725), (125, 229311), (135, 212325), (149, 192375), (171, 167625), (225, 127395), (285, 100575), (375, 76437), (405, 70775), (447, 64125), (475, 60345), (513, 55875), (675, 42465), (745, 38475), (855, 33525), (1125, 25479), (1341, 21375), (1425, 20115), (1539, 18625), (2025, 14155), (2235, 12825), (2375, 12069), (2565, 11175), (2831, 10125), (3375, 8493), (3725, 7695), (4023, 7125), (4275, 6705)]