78875631

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 130141440

約数和(自身を除く): 51265809

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 631, 731, 817, 969, 1893, 2193, 2451, 2907, 5679, 6579, 7353, 10727, 11989, 13889, 27133, 32181, 35967, 41667, 81399, 96543, 107901, 125001, 203813, 244197, 461261, 515527, 611439, 1383783, 1546581, 1834317, 4151349, 4639743, 8763959, 26291877, 78875631]

約数ペア:

[(1, 78875631), (3, 26291877), (9, 8763959), (17, 4639743), (19, 4151349), (43, 1834317), (51, 1546581), (57, 1383783), (129, 611439), (153, 515527), (171, 461261), (323, 244197), (387, 203813), (631, 125001), (731, 107901), (817, 96543), (969, 81399), (1893, 41667), (2193, 35967), (2451, 32181), (2907, 27133), (5679, 13889), (6579, 11989), (7353, 10727)]