87645645

素因数分解:

$3^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 157803360

約数和(自身を除く): 70157715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 379, 405, 571, 1137, 1713, 1895, 2855, 3411, 5139, 5685, 8565, 10233, 15417, 17055, 25695, 30699, 46251, 51165, 77085, 153495, 216409, 231255, 649227, 1082045, 1947681, 3246135, 5843043, 9738405, 17529129, 29215215, 87645645]

約数ペア:

[(1, 87645645), (3, 29215215), (5, 17529129), (9, 9738405), (15, 5843043), (27, 3246135), (45, 1947681), (81, 1082045), (135, 649227), (379, 231255), (405, 216409), (571, 153495), (1137, 77085), (1713, 51165), (1895, 46251), (2855, 30699), (3411, 25695), (5139, 17055), (5685, 15417), (8565, 10233)]