22501215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 42996096

約数和(自身を除く): 20494881

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 347, 393, 495, 655, 1041, 1179, 1441, 1735, 1965, 3123, 3817, 4323, 5205, 5895, 7205, 11451, 12969, 15615, 19085, 21615, 34353, 45457, 57255, 64845, 136371, 171765, 227285, 409113, 500027, 681855, 1500081, 2045565, 2500135, 4500243, 7500405, 22501215]

約数ペア:

[(1, 22501215), (3, 7500405), (5, 4500243), (9, 2500135), (11, 2045565), (15, 1500081), (33, 681855), (45, 500027), (55, 409113), (99, 227285), (131, 171765), (165, 136371), (347, 64845), (393, 57255), (495, 45457), (655, 34353), (1041, 21615), (1179, 19085), (1441, 15615), (1735, 12969), (1965, 11451), (3123, 7205), (3817, 5895), (4323, 5205)]