71049375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 135968976

約数和(自身を除く): 64919601

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 743, 765, 1125, 1275, 1875, 2125, 2229, 3715, 3825, 5625, 6375, 6687, 10625, 11145, 12631, 18575, 19125, 31875, 33435, 37893, 55725, 63155, 92875, 95625, 113679, 167175, 189465, 278625, 315775, 464375, 568395, 835875, 947325, 1393125, 1578875, 2841975, 4179375, 4736625, 7894375, 14209875, 23683125, 71049375]

約数ペア:

[(1, 71049375), (3, 23683125), (5, 14209875), (9, 7894375), (15, 4736625), (17, 4179375), (25, 2841975), (45, 1578875), (51, 1393125), (75, 947325), (85, 835875), (125, 568395), (153, 464375), (225, 315775), (255, 278625), (375, 189465), (425, 167175), (625, 113679), (743, 95625), (765, 92875), (1125, 63155), (1275, 55725), (1875, 37893), (2125, 33435), (2229, 31875), (3715, 19125), (3825, 18575), (5625, 12631), (6375, 11145), (6687, 10625)]