77668185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 145478592

約数和(自身を除く): 67810407

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 251, 421, 735, 753, 1255, 1263, 1757, 2105, 2947, 3765, 5271, 6315, 8785, 8841, 12299, 14735, 20629, 26355, 36897, 44205, 61495, 61887, 103145, 105671, 184485, 309435, 317013, 528355, 739697, 1585065, 2219091, 3698485, 5177879, 11095455, 15533637, 25889395, 77668185]

約数ペア:

[(1, 77668185), (3, 25889395), (5, 15533637), (7, 11095455), (15, 5177879), (21, 3698485), (35, 2219091), (49, 1585065), (105, 739697), (147, 528355), (245, 317013), (251, 309435), (421, 184485), (735, 105671), (753, 103145), (1255, 61887), (1263, 61495), (1757, 44205), (2105, 36897), (2947, 26355), (3765, 20629), (5271, 14735), (6315, 12299), (8785, 8841)]