15391335813

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{78919}}^1$

素因数の和:79217

約数の個数: 32

約数和(自身を含む): 24183613440

約数和(自身を除く): 8792277627

約数列:

[1, 3, 7, 21, 37, 111, 251, 259, 753, 777, 1757, 5271, 9287, 27861, 65009, 78919, 195027, 236757, 552433, 1657299, 2920003, 8760009, 19808669, 20440021, 59426007, 61320063, 138660683, 415982049, 732920753, 2198762259, 5130445271, 15391335813]

約数ペア:

[(1, 15391335813), (3, 5130445271), (7, 2198762259), (21, 732920753), (37, 415982049), (111, 138660683), (251, 61320063), (259, 59426007), (753, 20440021), (777, 19808669), (1757, 8760009), (5271, 2920003), (9287, 1657299), (27861, 552433), (65009, 236757), (78919, 195027)]