28501875

素因数分解:

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

素因数の和:595

約数の個数: 50

約数和(自身を含む): 53298564

約数和(自身を除く): 24796689

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 563, 625, 675, 1125, 1689, 1875, 2025, 2815, 3375, 5067, 5625, 8445, 10125, 14075, 15201, 16875, 25335, 42225, 45603, 50625, 70375, 76005, 126675, 211125, 228015, 351875, 380025, 633375, 1055625, 1140075, 1900125, 3166875, 5700375, 9500625, 28501875]

約数ペア:

[(1, 28501875), (3, 9500625), (5, 5700375), (9, 3166875), (15, 1900125), (25, 1140075), (27, 1055625), (45, 633375), (75, 380025), (81, 351875), (125, 228015), (135, 211125), (225, 126675), (375, 76005), (405, 70375), (563, 50625), (625, 45603), (675, 42225), (1125, 25335), (1689, 16875), (1875, 15201), (2025, 14075), (2815, 10125), (3375, 8445), (5067, 5625)]