153923015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1831}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 208935936

約数和(自身を除く): 55012921

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1831, 1955, 3655, 4945, 9155, 16813, 31127, 42113, 78733, 84065, 155635, 210565, 393665, 715921, 1338461, 1810859, 3579605, 6692305, 9054295, 30784603, 153923015]

約数ペア:

[(1, 153923015), (5, 30784603), (17, 9054295), (23, 6692305), (43, 3579605), (85, 1810859), (115, 1338461), (215, 715921), (391, 393665), (731, 210565), (989, 155635), (1831, 84065), (1955, 78733), (3655, 42113), (4945, 31127), (9155, 16813)]