71390025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 96

約数和(自身を含む): 155347200

約数和(自身を除く): 83957175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 63, 75, 87, 105, 135, 145, 175, 189, 203, 225, 261, 315, 435, 521, 525, 609, 675, 725, 783, 945, 1015, 1305, 1563, 1575, 1827, 2175, 2605, 3045, 3647, 3915, 4689, 4725, 5075, 5481, 6525, 7815, 9135, 10941, 13025, 14067, 15109, 15225, 18235, 19575, 23445, 27405, 32823, 39075, 45327, 45675, 54705, 70335, 75545, 91175, 98469, 105763, 117225, 135981, 137025, 164115, 226635, 273525, 317289, 351675, 377725, 407943, 492345, 528815, 679905, 820575, 951867, 1133175, 1586445, 2039715, 2461725, 2644075, 2855601, 3399525, 4759335, 7932225, 10198575, 14278005, 23796675, 71390025]

約数ペア:

[(1, 71390025), (3, 23796675), (5, 14278005), (7, 10198575), (9, 7932225), (15, 4759335), (21, 3399525), (25, 2855601), (27, 2644075), (29, 2461725), (35, 2039715), (45, 1586445), (63, 1133175), (75, 951867), (87, 820575), (105, 679905), (135, 528815), (145, 492345), (175, 407943), (189, 377725), (203, 351675), (225, 317289), (261, 273525), (315, 226635), (435, 164115), (521, 137025), (525, 135981), (609, 117225), (675, 105763), (725, 98469), (783, 91175), (945, 75545), (1015, 70335), (1305, 54705), (1563, 45675), (1575, 45327), (1827, 39075), (2175, 32823), (2605, 27405), (3045, 23445), (3647, 19575), (3915, 18235), (4689, 15225), (4725, 15109), (5075, 14067), (5481, 13025), (6525, 10941), (7815, 9135)]