619771971

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 1043094528

約数和(自身を除く): 423322557

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 137, 219, 227, 273, 411, 511, 681, 949, 959, 1533, 1589, 1781, 2847, 2877, 2951, 4767, 5343, 6643, 8853, 10001, 12467, 16571, 19929, 20657, 30003, 31099, 37401, 49713, 61971, 70007, 93297, 115997, 130013, 210021, 215423, 217693, 347991, 390039, 404287, 646269, 653079, 910091, 1212861, 1507961, 2270227, 2730273, 2830009, 4523883, 6810681, 8490027, 15891589, 29512951, 47674767, 88538853, 206590657, 619771971]

約数ペア:

[(1, 619771971), (3, 206590657), (7, 88538853), (13, 47674767), (21, 29512951), (39, 15891589), (73, 8490027), (91, 6810681), (137, 4523883), (219, 2830009), (227, 2730273), (273, 2270227), (411, 1507961), (511, 1212861), (681, 910091), (949, 653079), (959, 646269), (1533, 404287), (1589, 390039), (1781, 347991), (2847, 217693), (2877, 215423), (2951, 210021), (4767, 130013), (5343, 115997), (6643, 93297), (8853, 70007), (10001, 61971), (12467, 49713), (16571, 37401), (19929, 31099), (20657, 30003)]