39972975

素因数分解:

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

素因数の和:249

約数の個数: 72

約数和(自身を含む): 78454800

約数和(自身を除く): 38481825

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 73, 75, 105, 147, 149, 175, 219, 245, 365, 447, 511, 525, 735, 745, 1043, 1095, 1225, 1533, 1825, 2235, 2555, 3129, 3577, 3675, 3725, 5215, 5475, 7301, 7665, 10731, 10877, 11175, 12775, 15645, 17885, 21903, 26075, 32631, 36505, 38325, 53655, 54385, 76139, 78225, 89425, 109515, 163155, 182525, 228417, 268275, 271925, 380695, 532973, 547575, 815775, 1142085, 1598919, 1903475, 2664865, 5710425, 7994595, 13324325, 39972975]

約数ペア:

[(1, 39972975), (3, 13324325), (5, 7994595), (7, 5710425), (15, 2664865), (21, 1903475), (25, 1598919), (35, 1142085), (49, 815775), (73, 547575), (75, 532973), (105, 380695), (147, 271925), (149, 268275), (175, 228417), (219, 182525), (245, 163155), (365, 109515), (447, 89425), (511, 78225), (525, 76139), (735, 54385), (745, 53655), (1043, 38325), (1095, 36505), (1225, 32631), (1533, 26075), (1825, 21903), (2235, 17885), (2555, 15645), (3129, 12775), (3577, 11175), (3675, 10877), (3725, 10731), (5215, 7665), (5475, 7301)]