220877955

素因数分解:

$3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4943}}^1$

素因数の和:5288

約数の個数: 32

約数和(自身を含む): 393937920

約数和(自身を除く): 173059965

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 331, 993, 1655, 2979, 4943, 4965, 8937, 14829, 14895, 24715, 44487, 44685, 74145, 133461, 222435, 667305, 1636133, 4908399, 8180665, 14725197, 24541995, 44175591, 73625985, 220877955]

約数ペア:

[(1, 220877955), (3, 73625985), (5, 44175591), (9, 24541995), (15, 14725197), (27, 8180665), (45, 4908399), (135, 1636133), (331, 667305), (993, 222435), (1655, 133461), (2979, 74145), (4943, 44685), (4965, 44487), (8937, 24715), (14829, 14895)]