81711324

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1879

約数の個数: 72

約数和(自身を含む): 220787840

約数和(自身を除く): 139076516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 402, 603, 684, 804, 1206, 1273, 1783, 2412, 2546, 3566, 3819, 5092, 5349, 7132, 7638, 10698, 11457, 15276, 16047, 21396, 22914, 32094, 33877, 45828, 64188, 67754, 101631, 119461, 135508, 203262, 238922, 304893, 358383, 406524, 477844, 609786, 716766, 1075149, 1219572, 1433532, 2150298, 2269759, 4300596, 4539518, 6809277, 9079036, 13618554, 20427831, 27237108, 40855662, 81711324]

約数ペア:

[(1, 81711324), (2, 40855662), (3, 27237108), (4, 20427831), (6, 13618554), (9, 9079036), (12, 6809277), (18, 4539518), (19, 4300596), (36, 2269759), (38, 2150298), (57, 1433532), (67, 1219572), (76, 1075149), (114, 716766), (134, 609786), (171, 477844), (201, 406524), (228, 358383), (268, 304893), (342, 238922), (402, 203262), (603, 135508), (684, 119461), (804, 101631), (1206, 67754), (1273, 64188), (1783, 45828), (2412, 33877), (2546, 32094), (3566, 22914), (3819, 21396), (5092, 16047), (5349, 15276), (7132, 11457), (7638, 10698)]