215530965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19391}}^1$

素因数の和:19434

約数の個数: 48

約数和(自身を含む): 423521280

約数和(自身を除く): 207990315

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 19391, 58173, 96955, 174519, 252083, 290865, 368429, 756249, 872595, 1105287, 1260415, 1842145, 2268747, 3315861, 3781245, 4789577, 5526435, 11343735, 14368731, 16579305, 23947885, 43106193, 71843655, 215530965]

約数ペア:

[(1, 215530965), (3, 71843655), (5, 43106193), (9, 23947885), (13, 16579305), (15, 14368731), (19, 11343735), (39, 5526435), (45, 4789577), (57, 3781245), (65, 3315861), (95, 2268747), (117, 1842145), (171, 1260415), (195, 1105287), (247, 872595), (285, 756249), (585, 368429), (741, 290865), (855, 252083), (1235, 174519), (2223, 96955), (3705, 58173), (11115, 19391)]