55920015

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 102368448

約数和(自身を除く): 46448433

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 97, 115, 207, 291, 345, 485, 557, 873, 1035, 1455, 1671, 2231, 2785, 4365, 5013, 6693, 8355, 11155, 12811, 20079, 25065, 33465, 38433, 54029, 64055, 100395, 115299, 162087, 192165, 270145, 486261, 576495, 810435, 1242667, 2431305, 3728001, 6213335, 11184003, 18640005, 55920015]

約数ペア:

[(1, 55920015), (3, 18640005), (5, 11184003), (9, 6213335), (15, 3728001), (23, 2431305), (45, 1242667), (69, 810435), (97, 576495), (115, 486261), (207, 270145), (291, 192165), (345, 162087), (485, 115299), (557, 100395), (873, 64055), (1035, 54029), (1455, 38433), (1671, 33465), (2231, 25065), (2785, 20079), (4365, 12811), (5013, 11155), (6693, 8355)]