1680492015

素因数分解:

$3^5\times 5^1\times {\mathrm{1383121}}^1$

素因数の和:1383141

約数の個数: 24

約数和(自身を含む): 3020738448

約数和(自身を除く): 1340246433

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1383121, 4149363, 6915605, 12448089, 20746815, 37344267, 62240445, 112032801, 186721335, 336098403, 560164005, 1680492015]

約数ペア:

[(1, 1680492015), (3, 560164005), (5, 336098403), (9, 186721335), (15, 112032801), (27, 62240445), (45, 37344267), (81, 20746815), (135, 12448089), (243, 6915605), (405, 4149363), (1215, 1383121)]