61538841

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 51679719

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2591, 2639, 3393, 7773, 7917, 18137, 23319, 23751, 33683, 54411, 75139, 101049, 163233, 225417, 235781, 303147, 525973, 676251, 707343, 976807, 1577919, 2122029, 2930421, 4733757, 6837649, 8791263, 20512947, 61538841]

約数ペア:

[(1, 61538841), (3, 20512947), (7, 8791263), (9, 6837649), (13, 4733757), (21, 2930421), (29, 2122029), (39, 1577919), (63, 976807), (87, 707343), (91, 676251), (117, 525973), (203, 303147), (261, 235781), (273, 225417), (377, 163233), (609, 101049), (819, 75139), (1131, 54411), (1827, 33683), (2591, 23751), (2639, 23319), (3393, 18137), (7773, 7917)]