161436969

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 247629888

約数和(自身を除く): 86192919

約数列:

[1, 3, 9, 27, 67, 81, 151, 197, 201, 453, 591, 603, 1359, 1773, 1809, 4077, 5319, 5427, 10117, 12231, 13199, 15957, 29747, 30351, 39597, 89241, 91053, 118791, 267723, 273159, 356373, 803169, 819477, 1069119, 1993049, 2409507, 5979147, 17937441, 53812323, 161436969]

約数ペア:

[(1, 161436969), (3, 53812323), (9, 17937441), (27, 5979147), (67, 2409507), (81, 1993049), (151, 1069119), (197, 819477), (201, 803169), (453, 356373), (591, 273159), (603, 267723), (1359, 118791), (1773, 91053), (1809, 89241), (4077, 39597), (5319, 30351), (5427, 29747), (10117, 15957), (12231, 13199)]