80435979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 131482624

約数和(自身を除く): 51046645

約数列:

[1, 3, 9, 13, 31, 39, 67, 93, 117, 201, 279, 331, 403, 603, 871, 993, 1209, 2077, 2613, 2979, 3627, 4303, 6231, 7839, 10261, 12909, 18693, 22177, 27001, 30783, 38727, 66531, 81003, 92349, 133393, 199593, 243009, 288301, 400179, 687487, 864903, 1200537, 2062461, 2594709, 6187383, 8937331, 26811993, 80435979]

約数ペア:

[(1, 80435979), (3, 26811993), (9, 8937331), (13, 6187383), (31, 2594709), (39, 2062461), (67, 1200537), (93, 864903), (117, 687487), (201, 400179), (279, 288301), (331, 243009), (403, 199593), (603, 133393), (871, 92349), (993, 81003), (1209, 66531), (2077, 38727), (2613, 30783), (2979, 27001), (3627, 22177), (4303, 18693), (6231, 12909), (7839, 10261)]