388474803

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 615397536

約数和(自身を除く): 226922733

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 163, 333, 421, 489, 629, 1263, 1467, 1887, 2771, 3789, 5661, 6031, 7157, 8313, 15577, 18093, 21471, 24939, 46731, 54279, 64413, 68623, 102527, 140193, 205869, 264809, 307581, 617607, 794427, 922743, 1166591, 2383281, 2539051, 3499773, 7617153, 10499319, 22851459, 43163867, 129491601, 388474803]

約数ペア:

[(1, 388474803), (3, 129491601), (9, 43163867), (17, 22851459), (37, 10499319), (51, 7617153), (111, 3499773), (153, 2539051), (163, 2383281), (333, 1166591), (421, 922743), (489, 794427), (629, 617607), (1263, 307581), (1467, 264809), (1887, 205869), (2771, 140193), (3789, 102527), (5661, 68623), (6031, 64413), (7157, 54279), (8313, 46731), (15577, 24939), (18093, 21471)]