1904085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3706560

約数和(自身を除く): 1802475

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 131, 153, 171, 255, 285, 323, 393, 655, 765, 855, 969, 1179, 1615, 1965, 2227, 2489, 2907, 4845, 5895, 6681, 7467, 11135, 12445, 14535, 20043, 22401, 33405, 37335, 42313, 100215, 112005, 126939, 211565, 380817, 634695, 1904085]

約数ペア:

[(1, 1904085), (3, 634695), (5, 380817), (9, 211565), (15, 126939), (17, 112005), (19, 100215), (45, 42313), (51, 37335), (57, 33405), (85, 22401), (95, 20043), (131, 14535), (153, 12445), (171, 11135), (255, 7467), (285, 6681), (323, 5895), (393, 4845), (655, 2907), (765, 2489), (855, 2227), (969, 1965), (1179, 1615)]