42820245

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 82922112

約数和(自身を除く): 40101867

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 2711, 3159, 5265, 8133, 13555, 15795, 24399, 35243, 40665, 73197, 105729, 121995, 176215, 219591, 317187, 365985, 528645, 658773, 951561, 1097955, 1585935, 2854683, 3293865, 4757805, 8564049, 14273415, 42820245]

約数ペア:

[(1, 42820245), (3, 14273415), (5, 8564049), (9, 4757805), (13, 3293865), (15, 2854683), (27, 1585935), (39, 1097955), (45, 951561), (65, 658773), (81, 528645), (117, 365985), (135, 317187), (195, 219591), (243, 176215), (351, 121995), (405, 105729), (585, 73197), (1053, 40665), (1215, 35243), (1755, 24399), (2711, 15795), (3159, 13555), (5265, 8133)]