689468085

素因数分解:

$3^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{5393}}^1$

素因数の和:6354

約数の個数: 32

約数和(自身を含む): 1227242880

約数和(自身を除く): 537774795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 947, 2841, 4735, 5393, 8523, 14205, 16179, 25569, 26965, 42615, 48537, 80895, 127845, 145611, 242685, 728055, 5107171, 15321513, 25535855, 45964539, 76607565, 137893617, 229822695, 689468085]

約数ペア:

[(1, 689468085), (3, 229822695), (5, 137893617), (9, 76607565), (15, 45964539), (27, 25535855), (45, 15321513), (135, 5107171), (947, 728055), (2841, 242685), (4735, 145611), (5393, 127845), (8523, 80895), (14205, 48537), (16179, 42615), (25569, 26965)]