201791115

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 380851200

約数和(自身を除く): 179060085

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 151, 171, 285, 453, 513, 521, 755, 855, 1359, 1563, 2265, 2565, 2605, 2869, 4077, 4689, 6795, 7815, 8607, 9899, 14067, 14345, 20385, 23445, 25821, 29697, 43035, 49495, 70335, 77463, 78671, 89091, 129105, 148485, 236013, 267273, 387315, 393355, 445455, 708039, 1180065, 1336365, 1494749, 2124117, 3540195, 4484247, 7473745, 10620585, 13452741, 22421235, 40358223, 67263705, 201791115]

約数ペア:

[(1, 201791115), (3, 67263705), (5, 40358223), (9, 22421235), (15, 13452741), (19, 10620585), (27, 7473745), (45, 4484247), (57, 3540195), (95, 2124117), (135, 1494749), (151, 1336365), (171, 1180065), (285, 708039), (453, 445455), (513, 393355), (521, 387315), (755, 267273), (855, 236013), (1359, 148485), (1563, 129105), (2265, 89091), (2565, 78671), (2605, 77463), (2869, 70335), (4077, 49495), (4689, 43035), (6795, 29697), (7815, 25821), (8607, 23445), (9899, 20385), (14067, 14345)]