72003087

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 121325568

約数和(自身を除く): 49322481

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 243, 299, 351, 621, 897, 991, 1053, 1863, 2691, 2973, 3159, 5589, 8073, 8919, 12883, 22793, 24219, 26757, 38649, 68379, 72657, 80271, 115947, 205137, 240813, 296309, 347841, 615411, 888927, 1043523, 1846233, 2666781, 3130569, 5538699, 8000343, 24001029, 72003087]

約数ペア:

[(1, 72003087), (3, 24001029), (9, 8000343), (13, 5538699), (23, 3130569), (27, 2666781), (39, 1846233), (69, 1043523), (81, 888927), (117, 615411), (207, 347841), (243, 296309), (299, 240813), (351, 205137), (621, 115947), (897, 80271), (991, 72657), (1053, 68379), (1863, 38649), (2691, 26757), (2973, 24219), (3159, 22793), (5589, 12883), (8073, 8919)]