28733775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 54758400

約数和(自身を除く): 26024625

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 229, 239, 525, 687, 717, 1145, 1195, 1603, 1673, 3435, 3585, 4809, 5019, 5725, 5975, 8015, 8365, 17175, 17925, 24045, 25095, 40075, 41825, 54731, 120225, 125475, 164193, 273655, 383117, 820965, 1149351, 1368275, 1915585, 4104825, 5746755, 9577925, 28733775]

約数ペア:

[(1, 28733775), (3, 9577925), (5, 5746755), (7, 4104825), (15, 1915585), (21, 1368275), (25, 1149351), (35, 820965), (75, 383117), (105, 273655), (175, 164193), (229, 125475), (239, 120225), (525, 54731), (687, 41825), (717, 40075), (1145, 25095), (1195, 24045), (1603, 17925), (1673, 17175), (3435, 8365), (3585, 8015), (4809, 5975), (5019, 5725)]