61721055

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 59584545

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 89, 99, 135, 165, 267, 297, 445, 467, 495, 801, 979, 1335, 1401, 1485, 2335, 2403, 2937, 4005, 4203, 4895, 5137, 7005, 8811, 12015, 12609, 14685, 15411, 21015, 25685, 26433, 41563, 44055, 46233, 63045, 77055, 124689, 132165, 138699, 207815, 231165, 374067, 457193, 623445, 693495, 1122201, 1371579, 1870335, 2285965, 4114737, 5611005, 6857895, 12344211, 20573685, 61721055]

約数ペア:

[(1, 61721055), (3, 20573685), (5, 12344211), (9, 6857895), (11, 5611005), (15, 4114737), (27, 2285965), (33, 1870335), (45, 1371579), (55, 1122201), (89, 693495), (99, 623445), (135, 457193), (165, 374067), (267, 231165), (297, 207815), (445, 138699), (467, 132165), (495, 124689), (801, 77055), (979, 63045), (1335, 46233), (1401, 44055), (1485, 41563), (2335, 26433), (2403, 25685), (2937, 21015), (4005, 15411), (4203, 14685), (4895, 12609), (5137, 12015), (7005, 8811)]