72280755

素因数分解:

$3^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{563}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 130209552

約数和(自身を除く): 57928797

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 317, 405, 563, 951, 1585, 1689, 2815, 2853, 4755, 5067, 8445, 8559, 14265, 15201, 25335, 25677, 42795, 45603, 76005, 128385, 178471, 228015, 535413, 892355, 1606239, 2677065, 4818717, 8031195, 14456151, 24093585, 72280755]

約数ペア:

[(1, 72280755), (3, 24093585), (5, 14456151), (9, 8031195), (15, 4818717), (27, 2677065), (45, 1606239), (81, 892355), (135, 535413), (317, 228015), (405, 178471), (563, 128385), (951, 76005), (1585, 45603), (1689, 42795), (2815, 25677), (2853, 25335), (4755, 15201), (5067, 14265), (8445, 8559)]