72190521

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 117089280

約数和(自身を除く): 44898759

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 179, 351, 383, 537, 1053, 1149, 1611, 2327, 3447, 4833, 4979, 6981, 10341, 14499, 14937, 20943, 31023, 44811, 62829, 68557, 134433, 188487, 205671, 403299, 617013, 891241, 1851039, 2673723, 5553117, 8021169, 24063507, 72190521]

約数ペア:

[(1, 72190521), (3, 24063507), (9, 8021169), (13, 5553117), (27, 2673723), (39, 1851039), (81, 891241), (117, 617013), (179, 403299), (351, 205671), (383, 188487), (537, 134433), (1053, 68557), (1149, 62829), (1611, 44811), (2327, 31023), (3447, 20943), (4833, 14937), (4979, 14499), (6981, 10341)]