81427464

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19875

約数の個数: 64

約数和(自身を含む): 238104000

約数和(自身を除く): 156676536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 19841, 39682, 59523, 79364, 119046, 158728, 178569, 238092, 357138, 376979, 476184, 535707, 714276, 753958, 1071414, 1130937, 1428552, 1507916, 2142828, 2261874, 3015832, 3392811, 4285656, 4523748, 6785622, 9047496, 10178433, 13571244, 20356866, 27142488, 40713732, 81427464]

約数ペア:

[(1, 81427464), (2, 40713732), (3, 27142488), (4, 20356866), (6, 13571244), (8, 10178433), (9, 9047496), (12, 6785622), (18, 4523748), (19, 4285656), (24, 3392811), (27, 3015832), (36, 2261874), (38, 2142828), (54, 1507916), (57, 1428552), (72, 1130937), (76, 1071414), (108, 753958), (114, 714276), (152, 535707), (171, 476184), (216, 376979), (228, 357138), (342, 238092), (456, 178569), (513, 158728), (684, 119046), (1026, 79364), (1368, 59523), (2052, 39682), (4104, 19841)]