23983785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 49350600

約数和(自身を除く): 25366815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 149, 219, 245, 315, 365, 441, 447, 511, 657, 735, 745, 1043, 1095, 1341, 1533, 2205, 2235, 2555, 3129, 3285, 3577, 4599, 5215, 6705, 7301, 7665, 9387, 10731, 10877, 15645, 17885, 21903, 22995, 32193, 32631, 36505, 46935, 53655, 54385, 65709, 76139, 97893, 109515, 160965, 163155, 228417, 328545, 380695, 489465, 532973, 685251, 1142085, 1598919, 2664865, 3426255, 4796757, 7994595, 23983785]

約数ペア:

[(1, 23983785), (3, 7994595), (5, 4796757), (7, 3426255), (9, 2664865), (15, 1598919), (21, 1142085), (35, 685251), (45, 532973), (49, 489465), (63, 380695), (73, 328545), (105, 228417), (147, 163155), (149, 160965), (219, 109515), (245, 97893), (315, 76139), (365, 65709), (441, 54385), (447, 53655), (511, 46935), (657, 36505), (735, 32631), (745, 32193), (1043, 22995), (1095, 21903), (1341, 17885), (1533, 15645), (2205, 10877), (2235, 10731), (2555, 9387), (3129, 7665), (3285, 7301), (3577, 6705), (4599, 5215)]