3131505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 6014736

約数和(自身を除く): 2883231

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 101, 117, 159, 195, 265, 303, 477, 505, 585, 689, 795, 909, 1313, 1515, 2067, 2385, 3445, 3939, 4545, 5353, 6201, 6565, 10335, 11817, 16059, 19695, 26765, 31005, 48177, 59085, 69589, 80295, 208767, 240885, 347945, 626301, 1043835, 3131505]

約数ペア:

[(1, 3131505), (3, 1043835), (5, 626301), (9, 347945), (13, 240885), (15, 208767), (39, 80295), (45, 69589), (53, 59085), (65, 48177), (101, 31005), (117, 26765), (159, 19695), (195, 16059), (265, 11817), (303, 10335), (477, 6565), (505, 6201), (585, 5353), (689, 4545), (795, 3939), (909, 3445), (1313, 2385), (1515, 2067)]