1388400225

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 2326351104

約数和(自身を除く): 937950879

約数列:

[1, 3, 5, 15, 25, 75, 131, 251, 393, 563, 655, 753, 1255, 1689, 1965, 2815, 3275, 3765, 6275, 8445, 9825, 14075, 18825, 32881, 42225, 73753, 98643, 141313, 164405, 221259, 368765, 423939, 493215, 706565, 822025, 1106295, 1843825, 2119695, 2466075, 3532825, 5531475, 10598475, 18512003, 55536009, 92560015, 277680045, 462800075, 1388400225]

約数ペア:

[(1, 1388400225), (3, 462800075), (5, 277680045), (15, 92560015), (25, 55536009), (75, 18512003), (131, 10598475), (251, 5531475), (393, 3532825), (563, 2466075), (655, 2119695), (753, 1843825), (1255, 1106295), (1689, 822025), (1965, 706565), (2815, 493215), (3275, 423939), (3765, 368765), (6275, 221259), (8445, 164405), (9825, 141313), (14075, 98643), (18825, 73753), (32881, 42225)]