42789975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 73804800

約数和(自身を除く): 31014825

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 199, 235, 305, 597, 705, 915, 995, 1175, 1525, 2867, 2985, 3525, 4575, 4975, 8601, 9353, 12139, 14335, 14925, 28059, 36417, 43005, 46765, 60695, 71675, 140295, 182085, 215025, 233825, 303475, 570533, 701475, 910425, 1711599, 2852665, 8557995, 14263325, 42789975]

約数ペア:

[(1, 42789975), (3, 14263325), (5, 8557995), (15, 2852665), (25, 1711599), (47, 910425), (61, 701475), (75, 570533), (141, 303475), (183, 233825), (199, 215025), (235, 182085), (305, 140295), (597, 71675), (705, 60695), (915, 46765), (995, 43005), (1175, 36417), (1525, 28059), (2867, 14925), (2985, 14335), (3525, 12139), (4575, 9353), (4975, 8601)]