28024005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 48418560

約数和(自身を除く): 20394555

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2801, 3335, 8403, 10005, 14005, 42015, 64423, 81229, 193269, 243687, 322115, 406145, 966345, 1218435, 1868267, 5604801, 9341335, 28024005]

約数ペア:

[(1, 28024005), (3, 9341335), (5, 5604801), (15, 1868267), (23, 1218435), (29, 966345), (69, 406145), (87, 322115), (115, 243687), (145, 193269), (345, 81229), (435, 64423), (667, 42015), (2001, 14005), (2801, 10005), (3335, 8403)]