40989039

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 69521760

約数和(自身を除く): 28532721

約数列:

[1, 3, 7, 13, 21, 39, 49, 89, 91, 147, 241, 267, 273, 623, 637, 723, 1157, 1687, 1869, 1911, 3133, 3471, 4361, 5061, 8099, 9399, 11809, 13083, 21449, 21931, 24297, 35427, 56693, 64347, 65793, 150143, 153517, 170079, 278837, 450429, 460551, 836511, 1051001, 1951859, 3153003, 5855577, 13663013, 40989039]

約数ペア:

[(1, 40989039), (3, 13663013), (7, 5855577), (13, 3153003), (21, 1951859), (39, 1051001), (49, 836511), (89, 460551), (91, 450429), (147, 278837), (241, 170079), (267, 153517), (273, 150143), (623, 65793), (637, 64347), (723, 56693), (1157, 35427), (1687, 24297), (1869, 21931), (1911, 21449), (3133, 13083), (3471, 11809), (4361, 9399), (5061, 8099)]