278330823

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 426496928

約数和(自身を除く): 148166105

約数列:

[1, 3, 9, 27, 73, 81, 103, 219, 309, 457, 657, 927, 1371, 1971, 2781, 4113, 5913, 7519, 8343, 12339, 22557, 33361, 37017, 47071, 67671, 100083, 141213, 203013, 300249, 423639, 609039, 900747, 1270917, 2702241, 3436183, 3812751, 10308549, 30925647, 92776941, 278330823]

約数ペア:

[(1, 278330823), (3, 92776941), (9, 30925647), (27, 10308549), (73, 3812751), (81, 3436183), (103, 2702241), (219, 1270917), (309, 900747), (457, 609039), (657, 423639), (927, 300249), (1371, 203013), (1971, 141213), (2781, 100083), (4113, 67671), (5913, 47071), (7519, 37017), (8343, 33361), (12339, 22557)]