251495145

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1227

約数の個数: 64

約数和(自身を含む): 491212800

約数和(自身を除く): 239717655

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 163, 165, 297, 489, 495, 815, 1039, 1467, 1485, 1793, 2445, 3117, 4401, 5195, 5379, 7335, 8965, 9351, 11429, 15585, 16137, 22005, 26895, 28053, 34287, 46755, 48411, 57145, 80685, 102861, 140265, 169357, 171435, 242055, 308583, 508071, 514305, 846785, 1524213, 1542915, 1862927, 2540355, 4572639, 5588781, 7621065, 9314635, 16766343, 22863195, 27943905, 50299029, 83831715, 251495145]

約数ペア:

[(1, 251495145), (3, 83831715), (5, 50299029), (9, 27943905), (11, 22863195), (15, 16766343), (27, 9314635), (33, 7621065), (45, 5588781), (55, 4572639), (99, 2540355), (135, 1862927), (163, 1542915), (165, 1524213), (297, 846785), (489, 514305), (495, 508071), (815, 308583), (1039, 242055), (1467, 171435), (1485, 169357), (1793, 140265), (2445, 102861), (3117, 80685), (4401, 57145), (5195, 48411), (5379, 46755), (7335, 34287), (8965, 28053), (9351, 26895), (11429, 22005), (15585, 16137)]