221784630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{321427}}^1$

素因数の和:321460

約数の個数: 32

約数和(自身を含む): 555427584

約数和(自身を除く): 333642954

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 321427, 642854, 964281, 1607135, 1928562, 3214270, 4821405, 7392821, 9642810, 14785642, 22178463, 36964105, 44356926, 73928210, 110892315, 221784630]

約数ペア:

[(1, 221784630), (2, 110892315), (3, 73928210), (5, 44356926), (6, 36964105), (10, 22178463), (15, 14785642), (23, 9642810), (30, 7392821), (46, 4821405), (69, 3214270), (115, 1928562), (138, 1607135), (230, 964281), (345, 642854), (690, 321427)]