28273698

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 80

約数和(自身を含む): 67038840

約数和(自身を除く): 38765142

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 74, 81, 89, 106, 111, 159, 162, 178, 222, 267, 318, 333, 477, 534, 666, 801, 954, 999, 1431, 1602, 1961, 1998, 2403, 2862, 2997, 3293, 3922, 4293, 4717, 4806, 5883, 5994, 6586, 7209, 8586, 9434, 9879, 11766, 14151, 14418, 17649, 19758, 28302, 29637, 35298, 42453, 52947, 59274, 84906, 88911, 105894, 127359, 158841, 174529, 177822, 254718, 266733, 317682, 349058, 382077, 523587, 533466, 764154, 1047174, 1570761, 3141522, 4712283, 9424566, 14136849, 28273698]

約数ペア:

[(1, 28273698), (2, 14136849), (3, 9424566), (6, 4712283), (9, 3141522), (18, 1570761), (27, 1047174), (37, 764154), (53, 533466), (54, 523587), (74, 382077), (81, 349058), (89, 317682), (106, 266733), (111, 254718), (159, 177822), (162, 174529), (178, 158841), (222, 127359), (267, 105894), (318, 88911), (333, 84906), (477, 59274), (534, 52947), (666, 42453), (801, 35298), (954, 29637), (999, 28302), (1431, 19758), (1602, 17649), (1961, 14418), (1998, 14151), (2403, 11766), (2862, 9879), (2997, 9434), (3293, 8586), (3922, 7209), (4293, 6586), (4717, 5994), (4806, 5883)]