2027865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3939840

約数和(自身を除く): 1911975

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 89, 93, 105, 147, 155, 217, 245, 267, 445, 465, 623, 651, 735, 1085, 1335, 1519, 1869, 2759, 3115, 3255, 4361, 4557, 7595, 8277, 9345, 13083, 13795, 19313, 21805, 22785, 41385, 57939, 65415, 96565, 135191, 289695, 405573, 675955, 2027865]

約数ペア:

[(1, 2027865), (3, 675955), (5, 405573), (7, 289695), (15, 135191), (21, 96565), (31, 65415), (35, 57939), (49, 41385), (89, 22785), (93, 21805), (105, 19313), (147, 13795), (155, 13083), (217, 9345), (245, 8277), (267, 7595), (445, 4557), (465, 4361), (623, 3255), (651, 3115), (735, 2759), (1085, 1869), (1335, 1519)]