2017999425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 3723233920

約数和(自身を除く): 1705234495

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 169, 185, 195, 325, 331, 481, 507, 555, 845, 925, 975, 993, 1443, 1655, 2197, 2405, 2535, 2775, 4225, 4303, 4965, 6253, 6591, 7215, 8275, 10985, 12025, 12247, 12675, 12909, 18759, 21515, 24825, 31265, 32955, 36075, 36741, 54925, 55939, 61235, 64545, 81289, 93795, 107575, 156325, 159211, 164775, 167817, 183705, 243867, 279695, 306175, 322725, 406445, 468975, 477633, 727207, 796055, 839085, 918525, 1219335, 1398475, 2032225, 2069743, 2181621, 2388165, 3636035, 3980275, 4195425, 6096675, 6209229, 10348715, 10908105, 11940825, 18180175, 26906659, 31046145, 51743575, 54540525, 80719977, 134533295, 155230725, 403599885, 672666475, 2017999425]

約数ペア:

[(1, 2017999425), (3, 672666475), (5, 403599885), (13, 155230725), (15, 134533295), (25, 80719977), (37, 54540525), (39, 51743575), (65, 31046145), (75, 26906659), (111, 18180175), (169, 11940825), (185, 10908105), (195, 10348715), (325, 6209229), (331, 6096675), (481, 4195425), (507, 3980275), (555, 3636035), (845, 2388165), (925, 2181621), (975, 2069743), (993, 2032225), (1443, 1398475), (1655, 1219335), (2197, 918525), (2405, 839085), (2535, 796055), (2775, 727207), (4225, 477633), (4303, 468975), (4965, 406445), (6253, 322725), (6591, 306175), (7215, 279695), (8275, 243867), (10985, 183705), (12025, 167817), (12247, 164775), (12675, 159211), (12909, 156325), (18759, 107575), (21515, 93795), (24825, 81289), (31265, 64545), (32955, 61235), (36075, 55939), (36741, 54925)]