28470645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 61102080

約数和(自身を除く): 32631435

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 67, 71, 95, 105, 133, 171, 201, 213, 285, 315, 335, 355, 399, 469, 497, 603, 639, 665, 855, 1005, 1065, 1197, 1273, 1349, 1407, 1491, 1995, 2345, 2485, 3015, 3195, 3819, 4047, 4221, 4473, 4757, 5985, 6365, 6745, 7035, 7455, 8911, 9443, 11457, 12141, 14271, 19095, 20235, 21105, 22365, 23785, 26733, 28329, 33299, 42813, 44555, 47215, 57285, 60705, 71355, 80199, 84987, 90383, 99897, 133665, 141645, 166495, 214065, 271149, 299691, 400995, 424935, 451915, 499485, 632681, 813447, 1355745, 1498455, 1898043, 3163405, 4067235, 5694129, 9490215, 28470645]

約数ペア:

[(1, 28470645), (3, 9490215), (5, 5694129), (7, 4067235), (9, 3163405), (15, 1898043), (19, 1498455), (21, 1355745), (35, 813447), (45, 632681), (57, 499485), (63, 451915), (67, 424935), (71, 400995), (95, 299691), (105, 271149), (133, 214065), (171, 166495), (201, 141645), (213, 133665), (285, 99897), (315, 90383), (335, 84987), (355, 80199), (399, 71355), (469, 60705), (497, 57285), (603, 47215), (639, 44555), (665, 42813), (855, 33299), (1005, 28329), (1065, 26733), (1197, 23785), (1273, 22365), (1349, 21105), (1407, 20235), (1491, 19095), (1995, 14271), (2345, 12141), (2485, 11457), (3015, 9443), (3195, 8911), (3819, 7455), (4047, 7035), (4221, 6745), (4473, 6365), (4757, 5985)]