73878015

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 120992256

約数和(自身を除く): 47114241

約数列:

[1, 3, 5, 15, 61, 183, 263, 305, 307, 789, 915, 921, 1315, 1535, 3945, 4605, 16043, 18727, 48129, 56181, 80215, 80741, 93635, 240645, 242223, 280905, 403705, 1211115, 4925201, 14775603, 24626005, 73878015]

約数ペア:

[(1, 73878015), (3, 24626005), (5, 14775603), (15, 4925201), (61, 1211115), (183, 403705), (263, 280905), (305, 242223), (307, 240645), (789, 93635), (915, 80741), (921, 80215), (1315, 56181), (1535, 48129), (3945, 18727), (4605, 16043)]