20171639997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{32029}}^1$

素因数の和:32210

約数の個数: 48

約数和(自身を含む): 31978752000

約数和(自身を除く): 11807112003

約数列:

[1, 3, 9, 19, 29, 57, 87, 127, 171, 261, 381, 551, 1143, 1653, 2413, 3683, 4959, 7239, 11049, 21717, 32029, 33147, 69977, 96087, 209931, 288261, 608551, 629793, 928841, 1825653, 2786523, 4067683, 5476959, 8359569, 12203049, 17647979, 36609147, 52943937, 77285977, 117962807, 158831811, 231857931, 353888421, 695573793, 1061665263, 2241293333, 6723879999, 20171639997]

約数ペア:

[(1, 20171639997), (3, 6723879999), (9, 2241293333), (19, 1061665263), (29, 695573793), (57, 353888421), (87, 231857931), (127, 158831811), (171, 117962807), (261, 77285977), (381, 52943937), (551, 36609147), (1143, 17647979), (1653, 12203049), (2413, 8359569), (3683, 5476959), (4959, 4067683), (7239, 2786523), (11049, 1825653), (21717, 928841), (32029, 629793), (33147, 608551), (69977, 288261), (96087, 209931)]