72471375

素因数分解:

$3^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 135907200

約数和(自身を除く): 63435825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 125, 135, 197, 225, 327, 375, 545, 591, 675, 981, 985, 1125, 1635, 1773, 2725, 2943, 2955, 3375, 4905, 4925, 5319, 8175, 8865, 13625, 14715, 14775, 21473, 24525, 24625, 26595, 40875, 44325, 64419, 73575, 73875, 107365, 122625, 132975, 193257, 221625, 322095, 367875, 536825, 579771, 664875, 966285, 1610475, 2684125, 2898855, 4831425, 8052375, 14494275, 24157125, 72471375]

約数ペア:

[(1, 72471375), (3, 24157125), (5, 14494275), (9, 8052375), (15, 4831425), (25, 2898855), (27, 2684125), (45, 1610475), (75, 966285), (109, 664875), (125, 579771), (135, 536825), (197, 367875), (225, 322095), (327, 221625), (375, 193257), (545, 132975), (591, 122625), (675, 107365), (981, 73875), (985, 73575), (1125, 64419), (1635, 44325), (1773, 40875), (2725, 26595), (2943, 24625), (2955, 24525), (3375, 21473), (4905, 14775), (4925, 14715), (5319, 13625), (8175, 8865)]