61851015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 114330528

約数和(自身を除く): 52479513

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 233, 255, 347, 699, 765, 1041, 1165, 1735, 2097, 3123, 3495, 3961, 5205, 5899, 10485, 11883, 15615, 17697, 19805, 29495, 35649, 53091, 59415, 80851, 88485, 178245, 242553, 265455, 404255, 727659, 1212765, 1374467, 3638295, 4123401, 6872335, 12370203, 20617005, 61851015]

約数ペア:

[(1, 61851015), (3, 20617005), (5, 12370203), (9, 6872335), (15, 4123401), (17, 3638295), (45, 1374467), (51, 1212765), (85, 727659), (153, 404255), (233, 265455), (255, 242553), (347, 178245), (699, 88485), (765, 80851), (1041, 59415), (1165, 53091), (1735, 35649), (2097, 29495), (3123, 19805), (3495, 17697), (3961, 15615), (5205, 11883), (5899, 10485)]