2019594975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{20201}}^1$

素因数の和:20288

約数の個数: 48

約数和(自身を含む): 3527107584

約数和(自身を除く): 1507512609

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 775, 1075, 1333, 2325, 3225, 3999, 6665, 19995, 20201, 33325, 60603, 99975, 101005, 303015, 505025, 626231, 868643, 1515075, 1878693, 2605929, 3131155, 4343215, 9393465, 13029645, 15655775, 21716075, 26927933, 46967325, 65148225, 80783799, 134639665, 403918995, 673198325, 2019594975]

約数ペア:

[(1, 2019594975), (3, 673198325), (5, 403918995), (15, 134639665), (25, 80783799), (31, 65148225), (43, 46967325), (75, 26927933), (93, 21716075), (129, 15655775), (155, 13029645), (215, 9393465), (465, 4343215), (645, 3131155), (775, 2605929), (1075, 1878693), (1333, 1515075), (2325, 868643), (3225, 626231), (3999, 505025), (6665, 303015), (19995, 101005), (20201, 99975), (33325, 60603)]