1019806875

素因数分解:

$3^3\times 5^4\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 1903390720

約数和(自身を除く): 883583845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 223, 225, 271, 375, 625, 669, 675, 813, 1115, 1125, 1355, 1875, 2007, 2439, 3345, 3375, 4065, 5575, 5625, 6021, 6775, 7317, 10035, 12195, 16725, 16875, 20325, 27875, 30105, 33875, 36585, 50175, 60433, 60975, 83625, 101625, 139375, 150525, 169375, 181299, 182925, 250875, 302165, 304875, 418125, 508125, 543897, 752625, 906495, 914625, 1254375, 1510825, 1524375, 1631691, 2719485, 3763125, 4532475, 4573125, 7554125, 8158455, 13597425, 22662375, 37770625, 40792275, 67987125, 113311875, 203961375, 339935625, 1019806875]

約数ペア:

[(1, 1019806875), (3, 339935625), (5, 203961375), (9, 113311875), (15, 67987125), (25, 40792275), (27, 37770625), (45, 22662375), (75, 13597425), (125, 8158455), (135, 7554125), (223, 4573125), (225, 4532475), (271, 3763125), (375, 2719485), (625, 1631691), (669, 1524375), (675, 1510825), (813, 1254375), (1115, 914625), (1125, 906495), (1355, 752625), (1875, 543897), (2007, 508125), (2439, 418125), (3345, 304875), (3375, 302165), (4065, 250875), (5575, 182925), (5625, 181299), (6021, 169375), (6775, 150525), (7317, 139375), (10035, 101625), (12195, 83625), (16725, 60975), (16875, 60433), (20325, 50175), (27875, 36585), (30105, 33875)]