1550775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 2856960

約数和(自身を除く): 1306185

約数列:

[1, 3, 5, 15, 23, 25, 29, 31, 69, 75, 87, 93, 115, 145, 155, 345, 435, 465, 575, 667, 713, 725, 775, 899, 1725, 2001, 2139, 2175, 2325, 2697, 3335, 3565, 4495, 10005, 10695, 13485, 16675, 17825, 20677, 22475, 50025, 53475, 62031, 67425, 103385, 310155, 516925, 1550775]

約数ペア:

[(1, 1550775), (3, 516925), (5, 310155), (15, 103385), (23, 67425), (25, 62031), (29, 53475), (31, 50025), (69, 22475), (75, 20677), (87, 17825), (93, 16675), (115, 13485), (145, 10695), (155, 10005), (345, 4495), (435, 3565), (465, 3335), (575, 2697), (667, 2325), (713, 2175), (725, 2139), (775, 2001), (899, 1725)]