145931787

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 227905920

約数和(自身を除く): 81974133

約数列:

[1, 3, 9, 27, 31, 81, 89, 93, 267, 279, 653, 801, 837, 1959, 2403, 2511, 2759, 5877, 7209, 8277, 17631, 20243, 24831, 52893, 58117, 60729, 74493, 174351, 182187, 223479, 523053, 546561, 1569159, 1639683, 1801627, 4707477, 5404881, 16214643, 48643929, 145931787]

約数ペア:

[(1, 145931787), (3, 48643929), (9, 16214643), (27, 5404881), (31, 4707477), (81, 1801627), (89, 1639683), (93, 1569159), (267, 546561), (279, 523053), (653, 223479), (801, 182187), (837, 174351), (1959, 74493), (2403, 60729), (2511, 58117), (2759, 52893), (5877, 24831), (7209, 20243), (8277, 17631)]