2016156975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{202121}}^1$

素因数の和:202160

約数の個数: 48

約数和(自身を含む): 4010100480

約数和(自身を除く): 1993943505

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 202121, 606363, 1010605, 1414847, 3031815, 3840299, 4244541, 5053025, 7074235, 11520897, 15159075, 19201495, 21222705, 26882093, 35371175, 57604485, 80646279, 96007475, 106113525, 134410465, 288022425, 403231395, 672052325, 2016156975]

約数ペア:

[(1, 2016156975), (3, 672052325), (5, 403231395), (7, 288022425), (15, 134410465), (19, 106113525), (21, 96007475), (25, 80646279), (35, 57604485), (57, 35371175), (75, 26882093), (95, 21222705), (105, 19201495), (133, 15159075), (175, 11520897), (285, 7074235), (399, 5053025), (475, 4244541), (525, 3840299), (665, 3031815), (1425, 1414847), (1995, 1010605), (3325, 606363), (9975, 202121)]