242178741

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5851}}^1$

素因数の和:5943

約数の個数: 40

約数和(自身を含む): 419190464

約数和(自身を除く): 177011723

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 1533, 1971, 4599, 5851, 5913, 13797, 17553, 40957, 41391, 52659, 122871, 157977, 368613, 427123, 473931, 1105839, 1281369, 2989861, 3317517, 3844107, 8969583, 11532321, 26908749, 34596963, 80726247, 242178741]

約数ペア:

[(1, 242178741), (3, 80726247), (7, 34596963), (9, 26908749), (21, 11532321), (27, 8969583), (63, 3844107), (73, 3317517), (81, 2989861), (189, 1281369), (219, 1105839), (511, 473931), (567, 427123), (657, 368613), (1533, 157977), (1971, 122871), (4599, 52659), (5851, 41391), (5913, 40957), (13797, 17553)]