78393675

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 133562880

約数和(自身を除く): 55169205

約数列:

[1, 3, 5, 15, 25, 75, 79, 101, 131, 237, 303, 393, 395, 505, 655, 1185, 1515, 1965, 1975, 2525, 3275, 5925, 7575, 7979, 9825, 10349, 13231, 23937, 31047, 39693, 39895, 51745, 66155, 119685, 155235, 198465, 199475, 258725, 330775, 598425, 776175, 992325, 1045249, 3135747, 5226245, 15678735, 26131225, 78393675]

約数ペア:

[(1, 78393675), (3, 26131225), (5, 15678735), (15, 5226245), (25, 3135747), (75, 1045249), (79, 992325), (101, 776175), (131, 598425), (237, 330775), (303, 258725), (393, 199475), (395, 198465), (505, 155235), (655, 119685), (1185, 66155), (1515, 51745), (1965, 39895), (1975, 39693), (2525, 31047), (3275, 23937), (5925, 13231), (7575, 10349), (7979, 9825)]