26519775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 46202400

約数和(自身を除く): 19682625

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 89, 137, 145, 267, 411, 435, 445, 685, 725, 1335, 2055, 2175, 2225, 2581, 3425, 3973, 6675, 7743, 10275, 11919, 12193, 12905, 19865, 36579, 38715, 59595, 60965, 64525, 99325, 182895, 193575, 297975, 304825, 353597, 914475, 1060791, 1767985, 5303955, 8839925, 26519775]

約数ペア:

[(1, 26519775), (3, 8839925), (5, 5303955), (15, 1767985), (25, 1060791), (29, 914475), (75, 353597), (87, 304825), (89, 297975), (137, 193575), (145, 182895), (267, 99325), (411, 64525), (435, 60965), (445, 59595), (685, 38715), (725, 36579), (1335, 19865), (2055, 12905), (2175, 12193), (2225, 11919), (2581, 10275), (3425, 7743), (3973, 6675)]