219903375

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 385107840

約数和(自身を除く): 165204465

約数列:

[1, 3, 5, 15, 25, 29, 73, 75, 87, 125, 145, 219, 277, 365, 375, 435, 725, 831, 1095, 1385, 1825, 2117, 2175, 3625, 4155, 5475, 6351, 6925, 8033, 9125, 10585, 10875, 20221, 20775, 24099, 27375, 31755, 34625, 40165, 52925, 60663, 101105, 103875, 120495, 158775, 200825, 264625, 303315, 505525, 586409, 602475, 793875, 1004125, 1516575, 1759227, 2527625, 2932045, 3012375, 7582875, 8796135, 14660225, 43980675, 73301125, 219903375]

約数ペア:

[(1, 219903375), (3, 73301125), (5, 43980675), (15, 14660225), (25, 8796135), (29, 7582875), (73, 3012375), (75, 2932045), (87, 2527625), (125, 1759227), (145, 1516575), (219, 1004125), (277, 793875), (365, 602475), (375, 586409), (435, 505525), (725, 303315), (831, 264625), (1095, 200825), (1385, 158775), (1825, 120495), (2117, 103875), (2175, 101105), (3625, 60663), (4155, 52925), (5475, 40165), (6351, 34625), (6925, 31755), (8033, 27375), (9125, 24099), (10585, 20775), (10875, 20221)]