42078075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 75828480

約数和(自身を除く): 33750405

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 195, 309, 325, 419, 515, 975, 1257, 1339, 1545, 2095, 2575, 4017, 5447, 6285, 6695, 7725, 10475, 16341, 20085, 27235, 31425, 33475, 43157, 81705, 100425, 129471, 136175, 215785, 408525, 561041, 647355, 1078925, 1683123, 2805205, 3236775, 8415615, 14026025, 42078075]

約数ペア:

[(1, 42078075), (3, 14026025), (5, 8415615), (13, 3236775), (15, 2805205), (25, 1683123), (39, 1078925), (65, 647355), (75, 561041), (103, 408525), (195, 215785), (309, 136175), (325, 129471), (419, 100425), (515, 81705), (975, 43157), (1257, 33475), (1339, 31425), (1545, 27235), (2095, 20085), (2575, 16341), (4017, 10475), (5447, 7725), (6285, 6695)]