72757275

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 124096224

約数和(自身を除く): 51338949

約数列:

[1, 3, 5, 15, 25, 73, 75, 97, 137, 219, 291, 365, 411, 485, 685, 1095, 1455, 1825, 2055, 2425, 3425, 5475, 7081, 7275, 10001, 10275, 13289, 21243, 30003, 35405, 39867, 50005, 66445, 106215, 150015, 177025, 199335, 250025, 332225, 531075, 750075, 970097, 996675, 2910291, 4850485, 14551455, 24252425, 72757275]

約数ペア:

[(1, 72757275), (3, 24252425), (5, 14551455), (15, 4850485), (25, 2910291), (73, 996675), (75, 970097), (97, 750075), (137, 531075), (219, 332225), (291, 250025), (365, 199335), (411, 177025), (485, 150015), (685, 106215), (1095, 66445), (1455, 50005), (1825, 39867), (2055, 35405), (2425, 30003), (3425, 21243), (5475, 13289), (7081, 10275), (7275, 10001)]