78312975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2648

約数の個数: 48

約数和(自身を含む): 143990784

約数和(自身を除く): 65677809

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 2591, 6045, 7773, 10075, 12955, 30225, 33683, 38865, 64775, 80321, 101049, 168415, 194325, 240963, 401605, 505245, 842075, 1044173, 1204815, 2008025, 2526225, 3132519, 5220865, 6024075, 15662595, 26104325, 78312975]

約数ペア:

[(1, 78312975), (3, 26104325), (5, 15662595), (13, 6024075), (15, 5220865), (25, 3132519), (31, 2526225), (39, 2008025), (65, 1204815), (75, 1044173), (93, 842075), (155, 505245), (195, 401605), (325, 240963), (403, 194325), (465, 168415), (775, 101049), (975, 80321), (1209, 64775), (2015, 38865), (2325, 33683), (2591, 30225), (6045, 12955), (7773, 10075)]