205992015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 352044000

約数和(自身を除く): 146051985

約数列:

[1, 3, 5, 15, 19, 57, 95, 109, 285, 327, 349, 361, 545, 1047, 1083, 1635, 1745, 1805, 2071, 5235, 5415, 6213, 6631, 10355, 19893, 31065, 33155, 38041, 39349, 99465, 114123, 118047, 125989, 190205, 196745, 377967, 570615, 590235, 629945, 722779, 1889835, 2168337, 3613895, 10841685, 13732801, 41198403, 68664005, 205992015]

約数ペア:

[(1, 205992015), (3, 68664005), (5, 41198403), (15, 13732801), (19, 10841685), (57, 3613895), (95, 2168337), (109, 1889835), (285, 722779), (327, 629945), (349, 590235), (361, 570615), (545, 377967), (1047, 196745), (1083, 190205), (1635, 125989), (1745, 118047), (1805, 114123), (2071, 99465), (5235, 39349), (5415, 38041), (6213, 33155), (6631, 31065), (10355, 19893)]