23198715

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 43380480

約数和(自身を除く): 20181765

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 631, 645, 817, 855, 1893, 1935, 2451, 3155, 4085, 5679, 7353, 9465, 11989, 12255, 27133, 28395, 35967, 36765, 59945, 81399, 107901, 135665, 179835, 244197, 406995, 515527, 539505, 1220985, 1546581, 2577635, 4639743, 7732905, 23198715]

約数ペア:

[(1, 23198715), (3, 7732905), (5, 4639743), (9, 2577635), (15, 1546581), (19, 1220985), (43, 539505), (45, 515527), (57, 406995), (95, 244197), (129, 179835), (171, 135665), (215, 107901), (285, 81399), (387, 59945), (631, 36765), (645, 35967), (817, 28395), (855, 27133), (1893, 12255), (1935, 11989), (2451, 9465), (3155, 7353), (4085, 5679)]