71217549

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 117089280

約数和(自身を除く): 45871731

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 423, 611, 1053, 1269, 1439, 1833, 3807, 4317, 5499, 12951, 16497, 18707, 38853, 49491, 56121, 67633, 116559, 168363, 202899, 505089, 608697, 879229, 1515267, 1826091, 2637687, 5478273, 7913061, 23739183, 71217549]

約数ペア:

[(1, 71217549), (3, 23739183), (9, 7913061), (13, 5478273), (27, 2637687), (39, 1826091), (47, 1515267), (81, 879229), (117, 608697), (141, 505089), (351, 202899), (423, 168363), (611, 116559), (1053, 67633), (1269, 56121), (1439, 49491), (1833, 38853), (3807, 18707), (4317, 16497), (5499, 12951)]