30393671

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 12156601

約数列:

[1, 7, 11, 17, 31, 49, 77, 107, 119, 187, 217, 341, 527, 539, 749, 833, 1177, 1309, 1519, 1819, 2387, 3317, 3689, 5243, 5797, 8239, 9163, 12733, 16709, 20009, 23219, 25823, 36487, 40579, 56389, 57673, 89131, 140063, 162533, 255409, 284053, 394723, 620279, 980441, 1787863, 2763061, 4341953, 30393671]

約数ペア:

[(1, 30393671), (7, 4341953), (11, 2763061), (17, 1787863), (31, 980441), (49, 620279), (77, 394723), (107, 284053), (119, 255409), (187, 162533), (217, 140063), (341, 89131), (527, 57673), (539, 56389), (749, 40579), (833, 36487), (1177, 25823), (1309, 23219), (1519, 20009), (1819, 16709), (2387, 12733), (3317, 9163), (3689, 8239), (5243, 5797)]