212416197

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 330473472

約数和(自身を除く): 118057275

約数列:

[1, 3, 7, 21, 67, 201, 223, 469, 669, 677, 1407, 1561, 2031, 4683, 4739, 14217, 14941, 44823, 45359, 104587, 136077, 150971, 313761, 317513, 452913, 952539, 1056797, 3170391, 10115057, 30345171, 70805399, 212416197]

約数ペア:

[(1, 212416197), (3, 70805399), (7, 30345171), (21, 10115057), (67, 3170391), (201, 1056797), (223, 952539), (469, 452913), (669, 317513), (677, 313761), (1407, 150971), (1561, 136077), (2031, 104587), (4683, 45359), (4739, 44823), (14217, 14941)]