190878849

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7829}}^1$

素因数の和:7891

約数の個数: 40

約数和(自身を含む): 333495360

約数和(自身を除く): 142616511

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 7829, 8127, 23487, 24381, 54803, 70461, 164409, 211383, 336647, 493227, 634149, 1009941, 1479681, 2356529, 3029823, 4439043, 7069587, 9089469, 21208761, 27268407, 63626283, 190878849]

約数ペア:

[(1, 190878849), (3, 63626283), (7, 27268407), (9, 21208761), (21, 9089469), (27, 7069587), (43, 4439043), (63, 3029823), (81, 2356529), (129, 1479681), (189, 1009941), (301, 634149), (387, 493227), (567, 336647), (903, 211383), (1161, 164409), (2709, 70461), (3483, 54803), (7829, 24381), (8127, 23487)]