289426365

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10357}}^1$

素因数の和:10400

約数の個数: 48

約数和(自身を含む): 542924928

約数和(自身を除く): 253498563

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1035, 1215, 1863, 3105, 5589, 9315, 10357, 27945, 31071, 51785, 93213, 155355, 238211, 279639, 466065, 714633, 838917, 1191055, 1398195, 2143899, 2516751, 3573165, 4194585, 6431697, 10719495, 12583755, 19295091, 32158485, 57885273, 96475455, 289426365]

約数ペア:

[(1, 289426365), (3, 96475455), (5, 57885273), (9, 32158485), (15, 19295091), (23, 12583755), (27, 10719495), (45, 6431697), (69, 4194585), (81, 3573165), (115, 2516751), (135, 2143899), (207, 1398195), (243, 1191055), (345, 838917), (405, 714633), (621, 466065), (1035, 279639), (1215, 238211), (1863, 155355), (3105, 93213), (5589, 51785), (9315, 31071), (10357, 27945)]