1561162779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 2507391744

約数和(自身を除く): 946228965

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 373, 603, 631, 737, 1119, 1893, 2211, 3357, 4103, 5679, 6633, 6941, 12309, 20823, 24991, 36927, 42277, 62469, 74973, 126831, 224919, 235363, 274901, 380493, 465047, 706089, 824703, 1395141, 2118267, 2474109, 2588993, 4185423, 7766979, 15769321, 23300937, 47307963, 141923889, 173462531, 520387593, 1561162779]

約数ペア:

[(1, 1561162779), (3, 520387593), (9, 173462531), (11, 141923889), (33, 47307963), (67, 23300937), (99, 15769321), (201, 7766979), (373, 4185423), (603, 2588993), (631, 2474109), (737, 2118267), (1119, 1395141), (1893, 824703), (2211, 706089), (3357, 465047), (4103, 380493), (5679, 274901), (6633, 235363), (6941, 224919), (12309, 126831), (20823, 74973), (24991, 62469), (36927, 42277)]