28896645

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 48052224

約数和(自身を除く): 19155579

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 631, 645, 1065, 1893, 3053, 3155, 9159, 9465, 15265, 27133, 44801, 45795, 81399, 134403, 135665, 224005, 406995, 672015, 1926443, 5779329, 9632215, 28896645]

約数ペア:

[(1, 28896645), (3, 9632215), (5, 5779329), (15, 1926443), (43, 672015), (71, 406995), (129, 224005), (213, 135665), (215, 134403), (355, 81399), (631, 45795), (645, 44801), (1065, 27133), (1893, 15265), (3053, 9465), (3155, 9159)]