51954975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 72

約数和(自身を含む): 100975680

約数和(自身を除く): 49020705

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 141, 153, 225, 235, 255, 289, 423, 425, 705, 765, 799, 867, 1175, 1275, 1445, 2115, 2397, 2601, 3525, 3825, 3995, 4335, 4913, 7191, 7225, 10575, 11985, 13005, 13583, 14739, 19975, 21675, 24565, 35955, 40749, 44217, 59925, 65025, 67915, 73695, 122247, 122825, 179775, 203745, 221085, 230911, 339575, 368475, 611235, 692733, 1018725, 1105425, 1154555, 2078199, 3056175, 3463665, 5772775, 10390995, 17318325, 51954975]

約数ペア:

[(1, 51954975), (3, 17318325), (5, 10390995), (9, 5772775), (15, 3463665), (17, 3056175), (25, 2078199), (45, 1154555), (47, 1105425), (51, 1018725), (75, 692733), (85, 611235), (141, 368475), (153, 339575), (225, 230911), (235, 221085), (255, 203745), (289, 179775), (423, 122825), (425, 122247), (705, 73695), (765, 67915), (799, 65025), (867, 59925), (1175, 44217), (1275, 40749), (1445, 35955), (2115, 24565), (2397, 21675), (2601, 19975), (3525, 14739), (3825, 13583), (3995, 13005), (4335, 11985), (4913, 10575), (7191, 7225)]