15911865

素因数分解:

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

素因数の和:266

約数の個数: 48

約数和(自身を含む): 29062800

約数和(自身を除く): 13150935

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 137, 145, 261, 267, 411, 435, 445, 685, 801, 1233, 1305, 1335, 2055, 2581, 3973, 4005, 6165, 7743, 11919, 12193, 12905, 19865, 23229, 35757, 36579, 38715, 59595, 60965, 109737, 116145, 178785, 182895, 353597, 548685, 1060791, 1767985, 3182373, 5303955, 15911865]

約数ペア:

[(1, 15911865), (3, 5303955), (5, 3182373), (9, 1767985), (15, 1060791), (29, 548685), (45, 353597), (87, 182895), (89, 178785), (137, 116145), (145, 109737), (261, 60965), (267, 59595), (411, 38715), (435, 36579), (445, 35757), (685, 23229), (801, 19865), (1233, 12905), (1305, 12193), (1335, 11919), (2055, 7743), (2581, 6165), (3973, 4005)]