84941775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 164520720

約数和(自身を除く): 79578945

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 53, 75, 85, 153, 159, 225, 255, 265, 419, 425, 477, 765, 795, 901, 1257, 1275, 1325, 2095, 2385, 2703, 3771, 3825, 3975, 4505, 6285, 7123, 8109, 10475, 11925, 13515, 18855, 21369, 22207, 22525, 31425, 35615, 40545, 64107, 66621, 67575, 94275, 106845, 111035, 178075, 199863, 202725, 320535, 333105, 377519, 534225, 555175, 999315, 1132557, 1602675, 1665525, 1887595, 3397671, 4996575, 5662785, 9437975, 16988355, 28313925, 84941775]

約数ペア:

[(1, 84941775), (3, 28313925), (5, 16988355), (9, 9437975), (15, 5662785), (17, 4996575), (25, 3397671), (45, 1887595), (51, 1665525), (53, 1602675), (75, 1132557), (85, 999315), (153, 555175), (159, 534225), (225, 377519), (255, 333105), (265, 320535), (419, 202725), (425, 199863), (477, 178075), (765, 111035), (795, 106845), (901, 94275), (1257, 67575), (1275, 66621), (1325, 64107), (2095, 40545), (2385, 35615), (2703, 31425), (3771, 22525), (3825, 22207), (3975, 21369), (4505, 18855), (6285, 13515), (7123, 11925), (8109, 10475)]