405890355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 726018048

約数和(自身を除く): 320127693

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 67, 141, 195, 201, 235, 335, 611, 661, 705, 871, 1005, 1833, 1983, 2613, 3055, 3149, 3305, 4355, 8593, 9165, 9447, 9915, 13065, 15745, 25779, 31067, 40937, 42965, 44287, 47235, 93201, 122811, 128895, 132861, 155335, 204685, 221435, 403871, 466005, 575731, 614055, 664305, 1211613, 1727193, 2019355, 2081489, 2878655, 6058065, 6244467, 8635965, 10407445, 27059357, 31222335, 81178071, 135296785, 405890355]

約数ペア:

[(1, 405890355), (3, 135296785), (5, 81178071), (13, 31222335), (15, 27059357), (39, 10407445), (47, 8635965), (65, 6244467), (67, 6058065), (141, 2878655), (195, 2081489), (201, 2019355), (235, 1727193), (335, 1211613), (611, 664305), (661, 614055), (705, 575731), (871, 466005), (1005, 403871), (1833, 221435), (1983, 204685), (2613, 155335), (3055, 132861), (3149, 128895), (3305, 122811), (4355, 93201), (8593, 47235), (9165, 44287), (9447, 42965), (9915, 40937), (13065, 31067), (15745, 25779)]