64321725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 117686912

約数和(自身を除く): 53365187

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 1783, 2405, 2775, 5349, 7215, 8915, 12025, 23179, 26745, 36075, 44575, 65971, 69537, 115895, 133725, 197913, 329855, 347685, 579475, 857623, 989565, 1649275, 1738425, 2572869, 4288115, 4947825, 12864345, 21440575, 64321725]

約数ペア:

[(1, 64321725), (3, 21440575), (5, 12864345), (13, 4947825), (15, 4288115), (25, 2572869), (37, 1738425), (39, 1649275), (65, 989565), (75, 857623), (111, 579475), (185, 347685), (195, 329855), (325, 197913), (481, 133725), (555, 115895), (925, 69537), (975, 65971), (1443, 44575), (1783, 36075), (2405, 26745), (2775, 23179), (5349, 12025), (7215, 8915)]