28873875

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 49368384

約数和(自身を除く): 20494509

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 925, 2081, 2775, 4625, 6243, 10405, 13875, 31215, 52025, 76997, 156075, 230991, 260125, 384985, 780375, 1154955, 1924925, 5774775, 9624625, 28873875]

約数ペア:

[(1, 28873875), (3, 9624625), (5, 5774775), (15, 1924925), (25, 1154955), (37, 780375), (75, 384985), (111, 260125), (125, 230991), (185, 156075), (375, 76997), (555, 52025), (925, 31215), (2081, 13875), (2775, 10405), (4625, 6243)]