16628655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 28030464

約数和(自身を除く): 11401809

約数列:

[1, 3, 5, 15, 23, 69, 115, 157, 307, 345, 471, 785, 921, 1535, 2355, 3611, 4605, 7061, 10833, 18055, 21183, 35305, 48199, 54165, 105915, 144597, 240995, 722985, 1108577, 3325731, 5542885, 16628655]

約数ペア:

[(1, 16628655), (3, 5542885), (5, 3325731), (15, 1108577), (23, 722985), (69, 240995), (115, 144597), (157, 105915), (307, 54165), (345, 48199), (471, 35305), (785, 21183), (921, 18055), (1535, 10833), (2355, 7061), (3611, 4605)]