64530405

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12919}}^1$

素因数の和:12970

約数の個数: 32

約数和(自身を含む): 117830400

約数和(自身を除く): 53299995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 12919, 38757, 64595, 116271, 193785, 348813, 478003, 581355, 1434009, 1744065, 2390015, 4302027, 7170045, 12906081, 21510135, 64530405]

約数ペア:

[(1, 64530405), (3, 21510135), (5, 12906081), (9, 7170045), (15, 4302027), (27, 2390015), (37, 1744065), (45, 1434009), (111, 581355), (135, 478003), (185, 348813), (333, 193785), (555, 116271), (999, 64595), (1665, 38757), (4995, 12919)]