28408335

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1229}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 19768305

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 1005, 1229, 1541, 3687, 4623, 6145, 7705, 18435, 23115, 28267, 82343, 84801, 141335, 247029, 411715, 424005, 1235145, 1893889, 5681667, 9469445, 28408335]

約数ペア:

[(1, 28408335), (3, 9469445), (5, 5681667), (15, 1893889), (23, 1235145), (67, 424005), (69, 411715), (115, 247029), (201, 141335), (335, 84801), (345, 82343), (1005, 28267), (1229, 23115), (1541, 18435), (3687, 7705), (4623, 6145)]