22721775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 17775633

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 251, 255, 355, 425, 753, 1065, 1207, 1255, 1275, 1775, 3621, 3765, 4267, 5325, 6035, 6275, 12801, 17821, 18105, 18825, 21335, 30175, 53463, 64005, 89105, 90525, 106675, 267315, 302957, 320025, 445525, 908871, 1336575, 1514785, 4544355, 7573925, 22721775]

約数ペア:

[(1, 22721775), (3, 7573925), (5, 4544355), (15, 1514785), (17, 1336575), (25, 908871), (51, 445525), (71, 320025), (75, 302957), (85, 267315), (213, 106675), (251, 90525), (255, 89105), (355, 64005), (425, 53463), (753, 30175), (1065, 21335), (1207, 18825), (1255, 18105), (1275, 17821), (1775, 12801), (3621, 6275), (3765, 6035), (4267, 5325)]