71327925

素因数分解:

$3^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 131866560

約数和(自身を除く): 60538635

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 251, 421, 675, 753, 1255, 1263, 2105, 2259, 3765, 3789, 6275, 6315, 6777, 10525, 11295, 11367, 18825, 18945, 31575, 33885, 56475, 56835, 94725, 105671, 169425, 284175, 317013, 528355, 951039, 1585065, 2641775, 2853117, 4755195, 7925325, 14265585, 23775975, 71327925]

約数ペア:

[(1, 71327925), (3, 23775975), (5, 14265585), (9, 7925325), (15, 4755195), (25, 2853117), (27, 2641775), (45, 1585065), (75, 951039), (135, 528355), (225, 317013), (251, 284175), (421, 169425), (675, 105671), (753, 94725), (1255, 56835), (1263, 56475), (2105, 33885), (2259, 31575), (3765, 18945), (3789, 18825), (6275, 11367), (6315, 11295), (6777, 10525)]