71898015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 142331904

約数和(自身を除く): 70433889

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 235, 255, 329, 357, 595, 705, 799, 857, 987, 1645, 1785, 2397, 2571, 3995, 4285, 4935, 5593, 5999, 11985, 12855, 14569, 16779, 17997, 27965, 29995, 40279, 43707, 72845, 83895, 89985, 101983, 120837, 201395, 218535, 281953, 305949, 509915, 604185, 684743, 845859, 1409765, 1529745, 2054229, 3423715, 4229295, 4793201, 10271145, 14379603, 23966005, 71898015]

約数ペア:

[(1, 71898015), (3, 23966005), (5, 14379603), (7, 10271145), (15, 4793201), (17, 4229295), (21, 3423715), (35, 2054229), (47, 1529745), (51, 1409765), (85, 845859), (105, 684743), (119, 604185), (141, 509915), (235, 305949), (255, 281953), (329, 218535), (357, 201395), (595, 120837), (705, 101983), (799, 89985), (857, 83895), (987, 72845), (1645, 43707), (1785, 40279), (2397, 29995), (2571, 27965), (3995, 17997), (4285, 16779), (4935, 14569), (5593, 12855), (5999, 11985)]