221223915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4339}}^1$

素因数の和:4464

約数の個数: 48

約数和(自身を含む): 422472960

約数和(自身を除く): 201249045

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 103, 165, 309, 495, 515, 927, 1133, 1545, 3399, 4339, 4635, 5665, 10197, 13017, 16995, 21695, 39051, 47729, 50985, 65085, 143187, 195255, 238645, 429561, 446917, 715935, 1340751, 2147805, 2234585, 4022253, 4916087, 6703755, 14748261, 20111265, 24580435, 44244783, 73741305, 221223915]

約数ペア:

[(1, 221223915), (3, 73741305), (5, 44244783), (9, 24580435), (11, 20111265), (15, 14748261), (33, 6703755), (45, 4916087), (55, 4022253), (99, 2234585), (103, 2147805), (165, 1340751), (309, 715935), (495, 446917), (515, 429561), (927, 238645), (1133, 195255), (1545, 143187), (3399, 65085), (4339, 50985), (4635, 47729), (5665, 39051), (10197, 21695), (13017, 16995)]