78973905

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 129254400

約数和(自身を除く): 50280495

約数列:

[1, 3, 5, 15, 67, 179, 201, 335, 439, 537, 895, 1005, 1317, 2195, 2685, 6585, 11993, 29413, 35979, 59965, 78581, 88239, 147065, 179895, 235743, 392905, 441195, 1178715, 5264927, 15794781, 26324635, 78973905]

約数ペア:

[(1, 78973905), (3, 26324635), (5, 15794781), (15, 5264927), (67, 1178715), (179, 441195), (201, 392905), (335, 235743), (439, 179895), (537, 147065), (895, 88239), (1005, 78581), (1317, 59965), (2195, 35979), (2685, 29413), (6585, 11993)]