42172305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21139}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 81177600

約数和(自身を除く): 39005295

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 21139, 63417, 105695, 147973, 317085, 401641, 443919, 739865, 1204923, 2008205, 2219595, 2811487, 6024615, 8434461, 14057435, 42172305]

約数ペア:

[(1, 42172305), (3, 14057435), (5, 8434461), (7, 6024615), (15, 2811487), (19, 2219595), (21, 2008205), (35, 1204923), (57, 739865), (95, 443919), (105, 401641), (133, 317085), (285, 147973), (399, 105695), (665, 63417), (1995, 21139)]