77954805

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2799

約数の個数: 40

約数和(自身を含む): 141761664

約数和(自身を除く): 63806859

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2711, 3195, 5751, 8133, 9585, 13555, 24399, 28755, 40665, 73197, 121995, 192481, 219591, 365985, 577443, 962405, 1097955, 1732329, 2887215, 5196987, 8661645, 15590961, 25984935, 77954805]

約数ペア:

[(1, 77954805), (3, 25984935), (5, 15590961), (9, 8661645), (15, 5196987), (27, 2887215), (45, 1732329), (71, 1097955), (81, 962405), (135, 577443), (213, 365985), (355, 219591), (405, 192481), (639, 121995), (1065, 73197), (1917, 40665), (2711, 28755), (3195, 24399), (5751, 13555), (8133, 9585)]