166401075

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 282169440

約数和(自身を除く): 115768365

約数列:

[1, 3, 5, 15, 25, 75, 89, 97, 257, 267, 291, 445, 485, 771, 1285, 1335, 1455, 2225, 2425, 3855, 6425, 6675, 7275, 8633, 19275, 22873, 24929, 25899, 43165, 68619, 74787, 114365, 124645, 129495, 215825, 343095, 373935, 571825, 623225, 647475, 1715475, 1869675, 2218681, 6656043, 11093405, 33280215, 55467025, 166401075]

約数ペア:

[(1, 166401075), (3, 55467025), (5, 33280215), (15, 11093405), (25, 6656043), (75, 2218681), (89, 1869675), (97, 1715475), (257, 647475), (267, 623225), (291, 571825), (445, 373935), (485, 343095), (771, 215825), (1285, 129495), (1335, 124645), (1455, 114365), (2225, 74787), (2425, 68619), (3855, 43165), (6425, 25899), (6675, 24929), (7275, 22873), (8633, 19275)]