1215690015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{1931}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 2093051520

約数和(自身を除く): 877361505

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1931, 2209, 2679, 4465, 5793, 6627, 9655, 11045, 13395, 28965, 33135, 36689, 41971, 90757, 110067, 125913, 183445, 209855, 272271, 453785, 550335, 629565, 1361355, 1724383, 4265579, 5173149, 8621915, 12796737, 21327895, 25865745, 63983685, 81046001, 243138003, 405230005, 1215690015]

約数ペア:

[(1, 1215690015), (3, 405230005), (5, 243138003), (15, 81046001), (19, 63983685), (47, 25865745), (57, 21327895), (95, 12796737), (141, 8621915), (235, 5173149), (285, 4265579), (705, 1724383), (893, 1361355), (1931, 629565), (2209, 550335), (2679, 453785), (4465, 272271), (5793, 209855), (6627, 183445), (9655, 125913), (11045, 110067), (13395, 90757), (28965, 41971), (33135, 36689)]