39013975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 64995840

約数和(自身を除く): 25981865

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1559, 1925, 2275, 3575, 5005, 7795, 10913, 17149, 20267, 25025, 38975, 54565, 85745, 101335, 120043, 141869, 222937, 272825, 428725, 506675, 600215, 709345, 1114685, 1560559, 3001075, 3546725, 5573425, 7802795, 39013975]

約数ペア:

[(1, 39013975), (5, 7802795), (7, 5573425), (11, 3546725), (13, 3001075), (25, 1560559), (35, 1114685), (55, 709345), (65, 600215), (77, 506675), (91, 428725), (143, 272825), (175, 222937), (275, 141869), (325, 120043), (385, 101335), (455, 85745), (715, 54565), (1001, 38975), (1559, 25025), (1925, 20267), (2275, 17149), (3575, 10913), (5005, 7795)]