81885375

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 173759040

約数和(自身を除く): 91873665

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 125, 143, 165, 195, 225, 275, 325, 375, 429, 495, 509, 585, 715, 825, 975, 1125, 1287, 1375, 1527, 1625, 2145, 2475, 2545, 2925, 3575, 4125, 4581, 4875, 5599, 6435, 6617, 7635, 10725, 12375, 12725, 14625, 16797, 17875, 19851, 22905, 27995, 32175, 33085, 38175, 50391, 53625, 59553, 63625, 72787, 83985, 99255, 114525, 139975, 160875, 165425, 190875, 218361, 251955, 297765, 363935, 419925, 496275, 572625, 655083, 699875, 827125, 1091805, 1259775, 1488825, 1819675, 2099625, 2481375, 3275415, 5459025, 6298875, 7444125, 9098375, 16377075, 27295125, 81885375]

約数ペア:

[(1, 81885375), (3, 27295125), (5, 16377075), (9, 9098375), (11, 7444125), (13, 6298875), (15, 5459025), (25, 3275415), (33, 2481375), (39, 2099625), (45, 1819675), (55, 1488825), (65, 1259775), (75, 1091805), (99, 827125), (117, 699875), (125, 655083), (143, 572625), (165, 496275), (195, 419925), (225, 363935), (275, 297765), (325, 251955), (375, 218361), (429, 190875), (495, 165425), (509, 160875), (585, 139975), (715, 114525), (825, 99255), (975, 83985), (1125, 72787), (1287, 63625), (1375, 59553), (1527, 53625), (1625, 50391), (2145, 38175), (2475, 33085), (2545, 32175), (2925, 27995), (3575, 22905), (4125, 19851), (4581, 17875), (4875, 16797), (5599, 14625), (6435, 12725), (6617, 12375), (7635, 10725)]