42078309

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 71322048

約数和(自身を除く): 29243739

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 97, 147, 227, 273, 291, 637, 679, 681, 1261, 1589, 1911, 2037, 2951, 3783, 4753, 4767, 8827, 8853, 11123, 14259, 20657, 22019, 26481, 33369, 61789, 61971, 66057, 144599, 154133, 185367, 286247, 433797, 462399, 858741, 1078931, 2003729, 3236793, 6011187, 14026103, 42078309]

約数ペア:

[(1, 42078309), (3, 14026103), (7, 6011187), (13, 3236793), (21, 2003729), (39, 1078931), (49, 858741), (91, 462399), (97, 433797), (147, 286247), (227, 185367), (273, 154133), (291, 144599), (637, 66057), (679, 61971), (681, 61789), (1261, 33369), (1589, 26481), (1911, 22019), (2037, 20657), (2951, 14259), (3783, 11123), (4753, 8853), (4767, 8827)]