42190515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 78208416

約数和(自身を除く): 36017901

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 393, 421, 655, 765, 1179, 1263, 1965, 2105, 2227, 3789, 5895, 6315, 6681, 7157, 11135, 18945, 20043, 21471, 33405, 35785, 55151, 64413, 100215, 107355, 165453, 275755, 322065, 496359, 827265, 937567, 2481795, 2812701, 4687835, 8438103, 14063505, 42190515]

約数ペア:

[(1, 42190515), (3, 14063505), (5, 8438103), (9, 4687835), (15, 2812701), (17, 2481795), (45, 937567), (51, 827265), (85, 496359), (131, 322065), (153, 275755), (255, 165453), (393, 107355), (421, 100215), (655, 64413), (765, 55151), (1179, 35785), (1263, 33405), (1965, 21471), (2105, 20043), (2227, 18945), (3789, 11135), (5895, 7157), (6315, 6681)]