51877665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 110119680

約数和(自身を除く): 58242015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 261, 315, 405, 435, 567, 609, 631, 783, 945, 1015, 1305, 1827, 1893, 2349, 2835, 3045, 3155, 3915, 4417, 5481, 5679, 9135, 9465, 11745, 13251, 16443, 17037, 18299, 22085, 27405, 28395, 39753, 51111, 54897, 66255, 82215, 85185, 91495, 119259, 128093, 164691, 198765, 255555, 274485, 357777, 384279, 494073, 596295, 640465, 823455, 1152837, 1482219, 1788885, 1921395, 2470365, 3458511, 5764185, 7411095, 10375533, 17292555, 51877665]

約数ペア:

[(1, 51877665), (3, 17292555), (5, 10375533), (7, 7411095), (9, 5764185), (15, 3458511), (21, 2470365), (27, 1921395), (29, 1788885), (35, 1482219), (45, 1152837), (63, 823455), (81, 640465), (87, 596295), (105, 494073), (135, 384279), (145, 357777), (189, 274485), (203, 255555), (261, 198765), (315, 164691), (405, 128093), (435, 119259), (567, 91495), (609, 85185), (631, 82215), (783, 66255), (945, 54897), (1015, 51111), (1305, 39753), (1827, 28395), (1893, 27405), (2349, 22085), (2835, 18299), (3045, 17037), (3155, 16443), (3915, 13251), (4417, 11745), (5481, 9465), (5679, 9135)]