30221191

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 13445369

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 133, 143, 209, 227, 247, 539, 637, 931, 1001, 1463, 1589, 1729, 2497, 2717, 2951, 4313, 7007, 10241, 11123, 12103, 17479, 19019, 20657, 30191, 32461, 47443, 56069, 122353, 133133, 144599, 211337, 227227, 332101, 392483, 616759, 1590589, 2324707, 2747381, 4317313, 30221191]

約数ペア:

[(1, 30221191), (7, 4317313), (11, 2747381), (13, 2324707), (19, 1590589), (49, 616759), (77, 392483), (91, 332101), (133, 227227), (143, 211337), (209, 144599), (227, 133133), (247, 122353), (539, 56069), (637, 47443), (931, 32461), (1001, 30191), (1463, 20657), (1589, 19019), (1729, 17479), (2497, 12103), (2717, 11123), (2951, 10241), (4313, 7007)]