28925925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 59031936

約数和(自身を除く): 30106011

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 463, 525, 595, 735, 833, 1225, 1275, 1389, 1785, 2315, 2499, 2975, 3241, 3675, 4165, 6945, 7871, 8925, 9723, 11575, 12495, 16205, 20825, 22687, 23613, 34725, 39355, 48615, 55097, 62475, 68061, 81025, 113435, 118065, 165291, 196775, 243075, 275485, 340305, 385679, 567175, 590325, 826455, 1157037, 1377425, 1701525, 1928395, 4132275, 5785185, 9641975, 28925925]

約数ペア:

[(1, 28925925), (3, 9641975), (5, 5785185), (7, 4132275), (15, 1928395), (17, 1701525), (21, 1377425), (25, 1157037), (35, 826455), (49, 590325), (51, 567175), (75, 385679), (85, 340305), (105, 275485), (119, 243075), (147, 196775), (175, 165291), (245, 118065), (255, 113435), (357, 81025), (425, 68061), (463, 62475), (525, 55097), (595, 48615), (735, 39355), (833, 34725), (1225, 23613), (1275, 22687), (1389, 20825), (1785, 16205), (2315, 12495), (2499, 11575), (2975, 9723), (3241, 8925), (3675, 7871), (4165, 6945)]